April is close to Thompson's year-round average, with average highs near 1.6°C and lows around -7.9°C (mean -3.2°C). It is one of the drier months, averaging 37 mm of rainfall and 88% relative humidity across the period.
April is close to Thompson's year-round average. Across 45 years of records, the warmest Aprils in Thompson were 1999 and 2010 — when the month averaged 3.7°C — while the coldest was 2020 at -7.8°C. Typical April days reach 1.6°C with nights near -7.9°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Thompson, averaging 37 mm of rainfall. The wettest April on record was 1991 with 78 mm, while the driest was 1998 at 8 mm.
Relative humidity in Thompson during April averages 88%. The most humid April was 2020 at 99%, and the least humid was 1993 at 70%.
April receives about 4.9 kWh/m²/day of solar energy in Thompson. The sunniest April was 2016 at 5.8 kWh/m²/day, and the cloudiest were 1984, 1986 and 2005 at 4.1.
Average wind speed in Thompson during April is 0.6 m/s. The windiest Aprils were 2005 and 2010 at 0.8 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -3.6°C | -2.8°C | -2.0°C | -3.5°C | -4.3°C | -0.7°C |
| Avg High | 0.8°C | 2.1°C | 2.8°C | 1.6°C | -0.2°C | -1°C |
| Avg Low | -8.0°C | -7.8°C | -6.8°C | -8.6°C | -8.5°C | -0.5°C |
| Avg Rain | 49 mm | 32 mm | 35 mm | 35 mm | 37 mm | -12 mm |
April temperatures in Thompson have stayed relatively stable across the record.
April has ranged from a record low of -33.2°C (2018) to a record high of 24.1°C (2001).
Rainfall in April is one of the drier months, averaging 37 mm, with a wettest year of 78 mm.
A good time to visit Thompson
April is a good time to visit Thompson, with days averaging 1.6°C and nights around -7.9°C (mean -3.2°C, close to Thompson's yearly average) and moderate rainfall. July and August are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 0.1°C | -4.5°C | -9.1°C | 17.8°C | -23.8°C | 29 mm | 92% | 0.6 m/s | 4.9 |
| 2024 | 5.0°C | 0.2°C | -4.6°C | 13.8°C | -14.0°C | 44 mm | 84% | 0.6 m/s | 4.6 |
| 2023 | -1.4°C | -4.9°C | -8.4°C | 7.5°C | -23.8°C | 17 mm | 97% | 0.6 m/s | 5.6 |
| 2022 | -0.3°C | -4.5°C | -8.7°C | 13.6°C | -17.1°C | 25 mm | 94% | 0.7 m/s | 5.2 |
| 2021 | -1.0°C | -4.6°C | -8.2°C | 4.9°C | -13.9°C | 33 mm | 95% | 0.7 m/s | 5.1 |
| 2020 ❄️ | -3.7°C | -7.8°C | -12.0°C | 1.0°C | -21.8°C | 75 mm | 99% | 0.6 m/s | 5.1 |
| 2019 | 2.9°C | -2.1°C | -7.2°C | 12.8°C | -20.1°C | 38 mm | 84% | 0.6 m/s | 4.7 |
| 2018 | -1.6°C | -6.8°C | -11.9°C | 15.3°C | -33.2°C | 24 mm | 91% | 0.6 m/s | 5.4 |
| 2017 | -2.3°C | -6.3°C | -10.2°C | 6.0°C | -20.4°C | 61 mm | 98% | 0.7 m/s | 4.8 |
| 2016 | 1.8°C | -4.0°C | -9.7°C | 19.0°C | -23.5°C | 15 mm | 80% | 0.6 m/s | 5.8 |
| 2015 | 3.1°C | -2.4°C | -7.9°C | 16.4°C | -28.7°C | 49 mm | 85% | 0.7 m/s | 4.5 |
| 2014 | -2.3°C | -7.3°C | -12.2°C | 12.6°C | -24.7°C | 31 mm | 96% | 0.6 m/s | 5.5 |
| 2013 | -2.6°C | -6.7°C | -10.9°C | 7.3°C | -21.1°C | 39 mm | 95% | 0.7 m/s | 5.5 |
| 2012 | 4.2°C | -1.1°C | -6.4°C | 16.4°C | -16.4°C | 31 mm | 80% | 0.7 m/s | 5 |
| 2011 | 2.9°C | -2.5°C | -7.9°C | 16.0°C | -16.5°C | 34 mm | 84% | 0.6 m/s | 4.9 |
| 2010 | 9.5°C | 3.7°C | -2.0°C | 18.0°C | -7.6°C | 30 mm | 75% | 0.8 m/s | 4.7 |
| 2009 | 1.8°C | -2.1°C | -6.1°C | 10.3°C | -16.3°C | 28 mm | 88% | 0.6 m/s | 4.3 |
| 2008 | 0.5°C | -3.5°C | -7.6°C | 7.7°C | -29.2°C | 19 mm | 88% | 0.6 m/s | 5.5 |
| 2007 | 2.0°C | -2.8°C | -7.5°C | 16.6°C | -27.2°C | 20 mm | 89% | 0.6 m/s | 5.3 |
| 2006 | 8.6°C | 2.8°C | -3.0°C | 21.5°C | -15.9°C | 35 mm | 84% | 0.6 m/s | 4.8 |
| 2005 | 5.4°C | 1.4°C | -2.7°C | 15.7°C | -8.5°C | 56 mm | 84% | 0.8 m/s | 4.1 |
| 2004 | 2.3°C | -2.9°C | -8.0°C | 13.9°C | -13.3°C | 33 mm | 75% | 0.7 m/s | 5.1 |
| 2003 | 2.1°C | -3.3°C | -8.7°C | 15.5°C | -27.7°C | 13 mm | 83% | 0.6 m/s | 4.9 |
| 2002 | -3.5°C | -7.2°C | -10.9°C | 4.1°C | -21.5°C | 76 mm | 97% | 0.7 m/s | 4.7 |
| 2001 | 4.9°C | -0.2°C | -5.3°C | 24.1°C | -13.5°C | 26 mm | 84% | 0.6 m/s | 5.1 |
| 2000 | 4.3°C | -1.9°C | -8.1°C | 20.1°C | -17.3°C | 43 mm | 76% | 0.6 m/s | 4.7 |
| 1999 🔥 | 9.7°C | 3.7°C | -2.4°C | 19.9°C | -11.0°C | 19 mm | 75% | 0.7 m/s | 4.6 |
| 1998 | 7.5°C | 1.7°C | -4.0°C | 19.6°C | -14.1°C | 8 mm | 78% | 0.6 m/s | 5.1 |
| 1997 | -0.8°C | -5.1°C | -9.4°C | 12.3°C | -23.0°C | 47 mm | 92% | 0.7 m/s | 4.5 |
| 1996 | -2.0°C | -6.5°C | -11.0°C | 9.2°C | -23.3°C | 23 mm | 96% | 0.6 m/s | 5.1 |
| 1995 | 0.2°C | -4.8°C | -9.8°C | 11.7°C | -24.4°C | 19 mm | 82% | 0.7 m/s | 4.8 |
| 1994 | 0.5°C | -4.8°C | -10.2°C | 12.6°C | -25.6°C | 17 mm | 86% | 0.6 m/s | 5 |
| 1993 | 6.9°C | 1.0°C | -4.9°C | 15.0°C | -12.9°C | 11 mm | 70% | 0.6 m/s | 5.1 |
| 1992 | -0.9°C | -5.2°C | -9.4°C | 15.7°C | -22.4°C | 36 mm | 96% | 0.6 m/s | 5 |
| 1991 🌧️ | 2.6°C | -1.5°C | -5.6°C | 15.1°C | -12.1°C | 78 mm | 88% | 0.7 m/s | 4.3 |
| 1990 | -2.8°C | -7.0°C | -11.1°C | 7.2°C | -23.3°C | 63 mm | 96% | 0.7 m/s | 4.6 |
| 1989 | -2.0°C | -6.1°C | -10.3°C | 12.4°C | -19.3°C | 50 mm | 95% | 0.6 m/s | 4.6 |
| 1988 | -0.3°C | -4.2°C | -8.0°C | 19.9°C | -16.5°C | 60 mm | 97% | 0.7 m/s | 4.2 |
| 1987 | 5.6°C | 0.3°C | -5.0°C | 13.2°C | -17.0°C | 35 mm | 86% | 0.7 m/s | 4.5 |
| 1986 | 1.1°C | -3.3°C | -7.8°C | 13.5°C | -18.1°C | 65 mm | 88% | 0.7 m/s | 4.1 |
| 1985 | 1.9°C | -3.0°C | -7.8°C | 16.5°C | -19.2°C | 46 mm | 91% | 0.6 m/s | 4.6 |
| 1984 | 6.7°C | 2.4°C | -1.8°C | 21.9°C | -8.9°C | 61 mm | 87% | 0.7 m/s | 4.1 |
| 1983 | -1.8°C | -5.4°C | -9.0°C | 10.7°C | -18.7°C | 48 mm | 97% | 0.6 m/s | — |
| 1982 | -1.4°C | -5.8°C | -10.2°C | 18.8°C | -28.2°C | 35 mm | 94% | 0.6 m/s | — |
| 1981 | -2.3°C | -7.4°C | -12.4°C | 7.7°C | -24.7°C | 40 mm | 97% | 0.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 1.6°C with lows near -7.9°C (mean -3.2°C), based on 45 years of NASA POWER data.
April averages 37 mm of rainfall in Thompson, one of the drier months. The wettest on record was 78 mm in 1991.
The hottest April reached 24.1°C in 2001. The coldest dipped to -33.2°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from -8.2°C to -7.8°C while daytime highs eased from 0.6°C to 0.5°C, narrowing the gap between day and night.
April is close to Thompson's year-round average and one of the drier months, so plan for around 1.6°C daytime highs and -7.9°C at night.
Not quite — April is the 6th coolest month in Thompson, averaging -3.2°C.
For April in Thompson, pack warm layers and a jacket for chilly mornings, with typical highs of 1.6°C and lows of -7.9°C.
Relative humidity in April averages 88% — quite humid.
Average wind speed in April is 0.6 m/s. The windiest April on record averaged 0.8 m/s (2005).
The wettest April on record was 1991 with 78 mm. On average, April sees 37 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Thompson behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
