April is one of the warmer months of the year in Mission, with average highs near 32.6°C and lows around 18.9°C (mean 25.8°C). It is one of the drier months, averaging 38 mm of rainfall and 65% relative humidity across the period.
April is one of the warmer months of the year in Mission. Across 45 years of records, the warmest April in Mission was 2011 — when the month averaged 28.8°C — while the coldest was 1997 at 22.3°C. Typical April days reach 32.6°C with nights near 18.9°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Mission, averaging 38 mm of rainfall. The wettest April on record was 2004 with 145 mm, while the driest were 1983 and 2011 at 0 mm.
Relative humidity in Mission during April averages 65%. The most humid April was 2015 at 78%, and the least humid was 1984 at 52%.
April receives about 5.6 kWh/m²/day of solar energy in Mission. The sunniest April was 2011 at 6.6 kWh/m²/day, and the cloudiest was 2015 at 4.6.
Average wind speed in Mission during April is 3.8 m/s. The windiest April was 2011 at 5 m/s, while the calmest was 1988 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.4°C | 25.3°C | 26.1°C | 25.9°C | 26.4°C | +1°C |
| Avg High | 32.6°C | 32.3°C | 32.9°C | 32.7°C | 32.7°C | +0.1°C |
| Avg Low | 18.1°C | 18.3°C | 19.3°C | 19.1°C | 20.0°C | +1.9°C |
| Avg Rain | 39 mm | 44 mm | 32 mm | 34 mm | 45 mm | +6 mm |
April temperatures in Mission have risen by about 0.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 5.2°C (2007) to a record high of 43.3°C (1989).
Rainfall in April is one of the drier months, averaging 38 mm, with a wettest year of 145 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Mission
April is one of the best times to visit Mission. Expect days averaging 32.6°C and nights around 18.9°C (mean 25.8°C) — warmer than Mission's yearly average — with moderate rainfall (38 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.9°C | 25.7°C | 19.6°C | 36.2°C | 8.7°C | 32 mm | 69% | 4 m/s | 6.1 |
| 2024 | 33.7°C | 27.1°C | 20.5°C | 38.2°C | 12.5°C | 8 mm | 64% | 4 m/s | 5.2 |
| 2023 | 31.0°C | 24.9°C | 18.8°C | 39.4°C | 12.7°C | 103 mm | 72% | 3.3 m/s | 4.7 |
| 2022 | 33.3°C | 27.1°C | 20.9°C | 40.0°C | 11.8°C | 51 mm | 68% | 4.1 m/s | 5.5 |
| 2021 | 32.7°C | 26.0°C | 19.4°C | 40.9°C | 12.7°C | 44 mm | 65% | 3.7 m/s | 5.1 |
| 2020 | 33.8°C | 27.3°C | 20.8°C | 40.9°C | 13.4°C | 32 mm | 65% | 3.4 m/s | 4.9 |
| 2019 | 32.0°C | 24.8°C | 17.5°C | 37.0°C | 8.4°C | 18 mm | 64% | 3.8 m/s | 6.2 |
| 2018 | 32.1°C | 25.2°C | 18.3°C | 39.3°C | 8.5°C | 25 mm | 62% | 4 m/s | 5.4 |
| 2017 | 33.5°C | 26.7°C | 19.9°C | 42.2°C | 14.0°C | 28 mm | 60% | 3.8 m/s | 6.3 |
| 2016 | 32.4°C | 26.0°C | 19.6°C | 37.4°C | 11.0°C | 37 mm | 68% | 3.3 m/s | 5.5 |
| 2015 | 30.2°C | 25.2°C | 20.2°C | 35.6°C | 12.7°C | 79 mm | 78% | 3.2 m/s | 4.6 |
| 2014 | 32.7°C | 25.5°C | 18.3°C | 41.7°C | 9.7°C | 3 mm | 63% | 3.9 m/s | 5.5 |
| 2013 | 32.3°C | 24.9°C | 17.5°C | 41.1°C | 10.8°C | 40 mm | 63% | 4.1 m/s | 5.3 |
| 2012 | 34.3°C | 27.4°C | 20.5°C | 39.0°C | 15.3°C | 17 mm | 62% | 4.1 m/s | 6.1 |
| 2011 🔥 | 36.8°C | 28.8°C | 20.8°C | 43.3°C | 14.3°C | 0 mm | 57% | 5 m/s | 6.6 |
| 2010 | 30.4°C | 24.4°C | 18.4°C | 37.4°C | 13.6°C | 95 mm | 71% | 3.7 m/s | 5.3 |
| 2009 | 33.7°C | 26.3°C | 18.9°C | 37.8°C | 11.2°C | 2 mm | 58% | 4.4 m/s | 6.1 |
| 2008 | 33.3°C | 26.1°C | 18.9°C | 38.7°C | 10.5°C | 34 mm | 60% | 4.3 m/s | 6.1 |
| 2007 | 30.4°C | 23.8°C | 17.2°C | 37.5°C | 5.2°C | 20 mm | 68% | 3.9 m/s | 5.1 |
| 2006 | 35.3°C | 28.1°C | 20.9°C | 40.7°C | 15.7°C | 11 mm | 62% | 4.4 m/s | 6.2 |
| 2005 | 33.2°C | 25.9°C | 18.6°C | 41.6°C | 9.7°C | 2 mm | 56% | 3.8 m/s | 5.9 |
| 2004 🌧️ | 29.0°C | 23.7°C | 18.3°C | 34.7°C | 8.8°C | 145 mm | 76% | 3.8 m/s | 4.9 |
| 2003 | 32.2°C | 25.7°C | 19.2°C | 38.1°C | 9.3°C | 30 mm | 68% | 3.9 m/s | 5.1 |
| 2002 | 34.5°C | 27.8°C | 21.0°C | 40.6°C | 15.7°C | 20 mm | 67% | 4.7 m/s | 5.9 |
| 2001 | 33.6°C | 27.1°C | 20.6°C | 39.5°C | 15.0°C | 30 mm | 66% | 4.6 m/s | 5.3 |
| 2000 | 33.4°C | 26.2°C | 19.0°C | 38.7°C | 11.6°C | 29 mm | 63% | 3.9 m/s | 5.9 |
| 1999 | 34.8°C | 27.6°C | 20.4°C | 42.4°C | 11.2°C | 9 mm | 63% | 4.3 m/s | 6 |
| 1998 | 33.0°C | 25.0°C | 17.0°C | 41.6°C | 11.8°C | 2 mm | 58% | 3.6 m/s | 6.5 |
| 1997 ❄️ | 28.1°C | 22.3°C | 16.5°C | 36.5°C | 9.4°C | 121 mm | 73% | 3.3 m/s | 4.8 |
| 1996 | 32.9°C | 24.6°C | 16.3°C | 41.2°C | 7.9°C | 24 mm | 58% | 3.9 m/s | 6.5 |
| 1995 | 33.0°C | 25.7°C | 18.3°C | 41.0°C | 12.9°C | 26 mm | 62% | 4 m/s | 6 |
| 1994 | 32.0°C | 25.4°C | 18.8°C | 39.2°C | 11.7°C | 49 mm | 68% | 3.7 m/s | 5.2 |
| 1993 | 31.7°C | 24.6°C | 17.6°C | 38.8°C | 11.5°C | 37 mm | 63% | 4 m/s | 5.7 |
| 1992 | 30.4°C | 24.0°C | 17.5°C | 37.3°C | 9.5°C | 71 mm | 70% | 3.2 m/s | 5.2 |
| 1991 | 35.0°C | 28.1°C | 21.2°C | 42.1°C | 12.7°C | 44 mm | 64% | 3.3 m/s | 5.1 |
| 1990 | 31.6°C | 25.5°C | 19.4°C | 39.9°C | 11.4°C | 62 mm | 69% | 4.1 m/s | 5.1 |
| 1989 | 33.1°C | 25.7°C | 18.3°C | 43.3°C | 11.3°C | 58 mm | 65% | 3.6 m/s | 5.8 |
| 1988 | 32.8°C | 25.2°C | 17.7°C | 41.5°C | 9.0°C | 16 mm | 58% | 3 m/s | 5.3 |
| 1987 | 30.1°C | 22.5°C | 14.8°C | 38.3°C | 6.3°C | 42 mm | 61% | 3.2 m/s | 5.8 |
| 1986 | 33.2°C | 26.7°C | 20.1°C | 39.0°C | 14.2°C | 52 mm | 65% | 3.8 m/s | 5.3 |
| 1985 | 31.9°C | 25.4°C | 18.8°C | 37.5°C | 12.4°C | 55 mm | 67% | 3.5 m/s | 5.4 |
| 1984 | 35.3°C | 26.7°C | 18.2°C | 43.1°C | 12.2°C | 2 mm | 52% | 3.6 m/s | 6.2 |
| 1983 | 32.4°C | 24.3°C | 16.2°C | 38.9°C | 8.7°C | 0 mm | 55% | 4 m/s | — |
| 1982 | 33.1°C | 26.0°C | 18.9°C | 42.7°C | 12.1°C | 46 mm | 67% | 3.7 m/s | — |
| 1981 | 31.5°C | 25.9°C | 20.3°C | 35.6°C | 15.4°C | 77 mm | 71% | 3.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 32.6°C with lows near 18.9°C (mean 25.8°C), based on 45 years of NASA POWER data.
April averages 38 mm of rainfall in Mission, one of the drier months. The wettest on record was 145 mm in 2004.
The hottest April reached 43.3°C in 1989. The coldest dipped to 5.2°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 18.5°C to 19.8°C while daytime highs eased from 32.8°C to 32.5°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Mission and one of the drier months, so plan for around 32.6°C daytime highs and 18.9°C at night.
Not quite — April is the 7th coolest month in Mission, averaging 25.8°C.
For April in Mission, pack light, breathable clothing and sun protection, with typical highs of 32.6°C and lows of 18.9°C.
Relative humidity in April averages 65% — moderately humid.
Average wind speed in April is 3.8 m/s. The windiest April on record averaged 5 m/s (2011).
The wettest April on record was 2004 with 145 mm. On average, April sees 38 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 Mission 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.
