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Quebec · maple atlas

Maple sugaring in Maskinongé, Quebec

Maskinongé is a regional county municipality (MRC) in Quebec. Statistics Canada's 2021 Census of Agriculture counted 47 farms reporting maple taps here (taps withheld by Statistics Canada). Around Louiseville, sap usually runs from March 14 to April 16. Here's the long-run pattern, 35 seasons of sap weather, and the outlook this week.
Too early to tapAbout 158 days until the usual start.
Sap starts
Mar 14
producers' record
Season ends
Apr 16
about 5 weeks
Sap days / season
23.3
1991–2025 average
Taps, 2021
withheld
by Statistics Canada

Sap-flow outlook at Louiseville right now

Full Quebec forecast →

Forecast for Louiseville, QC

Updated Oct 7, 11:30 AM EDT

Off-season for now. Sap needs freezing nights, and none are in sight. Maskinongé's season usually opens around March 14, which is 158 days away.

No freeze-thaw days in the forecast

freeze thaw 0 °C

  1. ThuOct 8
    11° / 14°
    No refreeze forecast
  2. FriOct 9
    8° / 13°
    No refreeze forecast
  3. SatOct 10
    4° / 12°
    No refreeze forecast
  4. SunOct 11
    8° / 21°
    No refreeze forecast
  5. MonOct 12
    12° / 17°
    No refreeze forecast
  6. TueOct 13
    9° / 12°
    No refreeze forecast

Data: Environment and Climate Change Canada. Verdicts use freeze-thaw thresholds from maple field research; your woods may run a little differently.

When the sap runs

The sugaring calendar at Louiseville

Freeze-thaw weather at Louiseville peaks in the weeks of Mar 9 to Apr 6, which hold about 52% of a season's sap days. March is the busiest month. Typical dates are anchored to producers' reported season in the region (Houle et al. 2015, 1999–2011): this division's weather signals, moved 6.8 days earlier for the opening and 1.4 for the closing, the average gap to that record. The spread and the year-by-year bars below are the unadjusted weather signal.
Typical season: Mar 14 – Apr 160246Week of Dec 1: 0.9 sap days on averageWeek of Dec 8: 0.7 sap days on averageWeek of Dec 15: 0.6 sap days on averageWeek of Dec 22: 0.4 sap days on averageWeek of Dec 29: 0.4 sap days on averageWeek of Jan 5: 0.2 sap days on averageWeek of Jan 12: 0.5 sap days on averageWeek of Jan 19: 0.2 sap days on averageWeek of Jan 26: 0.3 sap days on averageWeek of Feb 2: 0.5 sap days on averageWeek of Feb 9: 0.4 sap days on averageWeek of Feb 16: 0.7 sap days on averageWeek of Feb 23: 0.9 sap days on averageWeek of Mar 2: 1.3 sap days on averageWeek of Mar 9: 1.9 sap days on averageWeek of Mar 16: 2.1 sap days on averageWeek of Mar 23: 2.6 sap days on averageWeek of Mar 30: 3.1 sap days on averageWeek of Apr 6: 2.6 sap days on averageWeek of Apr 13: 1.5 sap days on averageWeek of Apr 20: 1.1 sap days on averageWeek of Apr 27: 0.5 sap days on averageWeek of May 4: 0.1 sap days on averageWeek of May 11: 0.0 sap days on averageWeek of May 18: 0.0 sap days on averageWeek of May 25: 0.0 sap days on averageDecJanFebMarAprMaytaps in ~Mar 14
Average number of freeze-thaw sap days in each week of the season at Louiseville, 1991–2025 (Daymet temperatures). A sap day is an overnight low under −1 °C (30.2 °F) followed by an afternoon high over +3 °C (37.4 °F). The shaded band is the typical season.

Year-to-year spread

Opening signal
Median Mar 21; the middle half of seasons fell between Mar 18 and Mar 25. Earliest Mar 1 (2010), latest Apr 4 (1998).
Closing signal
Median Apr 17; middle half between Apr 12 and Apr 22. Earliest Mar 28 (2010), latest Apr 29 (2001).
Sap days by month
Dec12%Jan6%Feb11%Mar38%Apr33%May1%

35 seasons of sap weather

Maskinongé seasons, 1991–2025

The best sap year at Louiseville was 2023 with 36 freeze-thaw days; the leanest was 2015 with 7. Seasons that start early tend to end early too: the trees run on the swing between freezing nights and mild days, and heat ends it.
JanFebMarAprMaysap days20252025: Mar 18 – Apr 21, 23 sap days2320242024: Mar 8 – Apr 9, 24 sap days2420232023: Mar 18 – Apr 10, 36 sap days3620222022: Mar 21 – Apr 23, 21 sap days2120212021: Mar 7 – Apr 4, 19 sap days1920202020: Mar 25 – Apr 26, 35 sap days3520192019: Mar 28 – Apr 17, 18 sap days1820182018: Mar 27 – Apr 23, 29 sap days2920172017: Mar 16 – Apr 9, 16 sap days1620162016: Mar 22 – Apr 26, 29 sap days2920152015: Apr 2 – Apr 16, 7 sap days720142014: Mar 28 – Apr 20, 22 sap days2220132013: Mar 20 – Apr 22, 28 sap days2820122012: Mar 8 – Apr 4, 21 sap days2120112011: Mar 29 – Apr 22, 17 sap days1720102010: Mar 1 – Mar 28, 22 sap days2220092009: Mar 18 – Apr 13, 25 sap days2520082008: Mar 20 – Apr 16, 17 sap days1720072007: Mar 20 – Apr 12, 22 sap days2220062006: Mar 22 – Apr 11, 21 sap days2120052005: Mar 18 – Apr 22, 23 sap days2320042004: Mar 24 – Apr 26, 23 sap days2320032003: Mar 25 – Apr 18, 15 sap days1520022002: Mar 15 – Apr 11, 28 sap days2820012001: Mar 25 – Apr 29, 26 sap days2620002000: Mar 17 – Apr 19, 29 sap days2919991999: Mar 17 – Apr 11, 35 sap days3519981998: Apr 4 – Apr 13, 14 sap days1419971997: Mar 27 – Apr 20, 22 sap days2219961996: Mar 21 – Apr 16, 24 sap days2419951995: Mar 19 – Apr 16, 29 sap days2919941994: Mar 24 – Apr 28, 22 sap days2219931993: Mar 22 – Apr 20, 25 sap days2519921992: Mar 26 – Apr 28, 22 sap days2219911991: Mar 19 – Apr 14, 28 sap days28
Each bar runs from the season's opening signal to its closing signal, estimated from daily Daymet temperatures at Louiseville. Dashed lines mark the typical dates. The right column counts freeze-thaw sap days from December through May.

Maple production

Maskinongé in the Census of Agriculture

Statistics Canada counts the farms that report maple taps in its Census of Agriculture every five years. In 2021 it counted 47 in Maskinongé; in 2016, 60 farms.

Over the five years the farm count changed −22%. Statistics Canada cautions that 2021 and 2016 are not strictly comparable: the census-farm definition changed in 2021, and farms were assigned to their main location more strictly.

Statistics Canada doesn't publish syrup volume by census division, so the Canadian pages show farms and taps, not gallons or litres.

Maskinongé maple production, 2016 and 2021 (Statistics Canada, Census of Agriculture)
Census yearFarms reporting tapsTaps
202147withheld by Statistics Canada
201660withheld by Statistics Canada
  • "Withheld by Statistics Canada": Statistics Canada suppressed the value as too unreliable to publish (F) or to protect confidentiality (x). The farm count is still published.

A separate, newer source

PPAQ regional fact sheet, 2026

The Producteurs et productrices acéricoles du Québec (PPAQ) publish a fact sheet for each sugaring region, with figures for every MRC. These are from the 2026 Mauricie sheet. They count enterprises registered under the joint marketing plan, by where the sugarbush is; the census above counts 2021 farms by their main location. The two sit side by side here and are never added together.

Enterprises
29
under the joint marketing plan
Taps
68,439
as printed
Annual production
236,799 lb
estimate, pounds of syrup
Value
$793,276
Canadian dollars

Taps by forest ownership

Private forest 100%Public forest 0%

  • Annual production is PPAQ's estimate (Groupe AGÉCO's yield estimate applied to the taps), not a measured harvest. Mauricie sheet (PDF, French)

Nearby

Neighboring maple divisions

Distances are between reference towns; typical dates are each division's own estimate.

About these numbers

The season dates are estimated from 35 seasons of daily high and low temperatures for the Daymet 1-km grid cell at Louiseville, the division's most populous municipality in the 2021 Census; the cell sits at 11 m (36 ft). Each day is scored with the same freeze-thaw rule as our live forecast: a sap day is an overnight low under −1 °C (30.2 °F) followed by an afternoon high over +3 °C (37.4 °F). A season's closing signal is the last sap day before accumulated warmth reaches a threshold, and the opening signal sits 35 days before that, never earlier than the first real freeze-thaw week. The rule was calibrated on 117 state-seasons of USDA-reported dates in the US and is applied here unchanged. In Quebec it reproduces the pattern between regions in producers' reported seasons (Houle et al. 2015), and the typical dates are anchored to that record. Production figures are copied from Statistics Canada as published; the PPAQ figures, from its 2026 regional fact sheet, are shown separately. Full method, the Daymet checks and the Quebec validation → Run a sugarhouse here? Put this sap forecast on your own website →

Sources · 9

  1. 1.Maple taps, Census of Agriculture, 2021 (Table 32-10-0362-01) · Statistics Canada
  2. 2.Maple taps, Census of Agriculture, 2011 and 2016 (Table 32-10-0423-01) · Statistics Canada
  3. 3.Fiche région 2026 : Mauricie · Producteurs et productrices acéricoles du Québec
  4. 4.Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1 · ORNL DAAC
  5. 5.Impacts of climate change on the timing of the production season of maple syrup in eastern Canada (PLOS ONE 10(12): e0144844, 2015) · Houle et al.
  6. 6.Sap flow in sugar maple: timing and weather drivers (Frontiers in Agronomy, 2025) · de Lima Santos et al.
Show 3 more
  1. 7.2021 Census cartographic boundary files (census divisions, population centres) · Statistics Canada
  2. 8.Population and dwelling counts, 2021 Census (Tables 98-10-0002-01 and 98-10-0011-01) · Statistics Canada
  3. 9.GeoNames geographical database (CA) · GeoNames

Licences and attribution

  • Adapted from Statistics Canada, Census of Agriculture 2021 and 2016 (Tables 32-10-0362-01 and 32-10-0423-01), 2021 Census population and dwelling counts (Tables 98-10-0002-01 and 98-10-0011-01) and 2021 Census cartographic boundary files. This does not constitute an endorsement by Statistics Canada of this product.
  • Contains information licensed under the Open Government Licence – Canada.
  • Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, S-C. Kao, and B.E. Wilson. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129
  • Place coordinates: GeoNames (geonames.org), CC BY 4.0.
  • Québec MRC figures: Producteurs et productrices acéricoles du Québec, Fiches région 2026 (production estimates from Groupe AGÉCO).

FAQ

Maskinongé sugaring questions

When should I tap maple trees in Maskinongé, Quebec?
In a typical year the sap starts running around March 14 near Louiseville and the season winds down around April 16. Have your taps in a day or two before the first forecast string of nights below −1 °C and days above +3 °C. In the past 35 seasons the weather signal came as early as Mar 1 and as late as Apr 4.
How much maple syrup does Maskinongé produce?
Statistics Canada doesn't publish syrup volume by census division. Its 2021 Census of Agriculture counted 47 farms reporting maple taps in Maskinongé; the tap count was withheld by Statistics Canada. Separately, the PPAQ's 2026 fact sheet for the Mauricie region estimates annual production at 236,799 lb of syrup from 68,439 taps.
How many sap days does Maskinongé get in a season?
On average 23.3 freeze-thaw sap days from December through May at Louiseville, of which about 10.6 are textbook days with a night between about −7 and −2 °C and a day between 4 and 9 °C. The best season since 1991 was 2023 (36 sap days); the leanest was 2015 (7).
Where do these dates come from?
From 35 seasons of daily high and low temperatures at Louiseville (Daymet 1-km grid), scored with the same freeze-thaw rule as our live forecast. In Quebec they are anchored to producers' reported season in the region (Houle et al. 2015, 1999–2011). They describe a typical year at one point in the division; your sugarbush, slope and elevation can shift them by days.

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