April is one of the cooler months of the year in Stamford, with average highs near 14.2°C and lows around 3.6°C (mean 8.9°C). It is about average for rainfall, averaging 105 mm of rainfall and 80% relative humidity across the period.
April is one of the cooler months of the year in Stamford. Across 45 years of records, the warmest April in Stamford was 2023 — when the month averaged 11.3°C — while the coldest was 1982 at 6.3°C. Typical April days reach 14.2°C with nights near 3.6°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Stamford, averaging 105 mm of rainfall. The wettest April on record was 1983 with 271 mm, while the driest was 1985 at 29 mm.
Relative humidity in Stamford during April averages 80%. The most humid April was 1983 at 86%, and the least humid was 2002 at 73%.
April receives about 4.7 kWh/m²/day of solar energy in Stamford. The sunniest April was 2012 at 5.6 kWh/m²/day, and the cloudiest were 2000 and 2011 at 3.9.
Average wind speed in Stamford during April is 1.7 m/s. The windiest Aprils were 1982 and 1996 at 2.1 m/s, while the calmest were 1992 and 2001 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.3°C | 8.5°C | 9.2°C | 9.3°C | 9.5°C | +1.2°C |
| Avg High | 13.6°C | 13.7°C | 14.5°C | 14.6°C | 14.6°C | +1°C |
| Avg Low | 3.1°C | 3.2°C | 3.8°C | 3.9°C | 4.4°C | +1.3°C |
| Avg Rain | 119 mm | 95 mm | 106 mm | 97 mm | 110 mm | -9 mm |
April temperatures in Stamford have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -8.8°C (1982) to a record high of 32.4°C (2002).
Rainfall in April is about average for rainfall, averaging 105 mm, with a wettest year of 271 mm.
A good time to visit Stamford
April is a good time to visit Stamford, with days averaging 14.2°C and nights around 3.6°C (mean 8.9°C, cooler than Stamford's yearly average) and higher rainfall. August and July 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 | 15.2°C | 9.9°C | 4.7°C | 24.2°C | -3.4°C | 69 mm | 76% | 1.8 m/s | 4.6 |
| 2024 | 14.4°C | 9.6°C | 4.8°C | 26.6°C | -0.2°C | 112 mm | 82% | 1.7 m/s | 4.4 |
| 2023 🔥 | 16.7°C | 11.3°C | 5.9°C | 28.7°C | -2.3°C | 156 mm | 80% | 1.6 m/s | 4.6 |
| 2022 | 13.7°C | 8.6°C | 3.6°C | 24.2°C | -1.2°C | 124 mm | 77% | 1.8 m/s | 5 |
| 2021 | 15.3°C | 9.6°C | 4.0°C | 25.2°C | -4.0°C | 77 mm | 78% | 1.6 m/s | 4.9 |
| 2020 | 12.4°C | 7.7°C | 3.1°C | 18.9°C | -1.8°C | 122 mm | 79% | 2 m/s | 4.2 |
| 2019 | 15.0°C | 10.0°C | 5.0°C | 22.1°C | -2.5°C | 138 mm | 83% | 1.7 m/s | 4.4 |
| 2018 | 11.6°C | 6.7°C | 1.7°C | 21.9°C | -3.7°C | 122 mm | 81% | 1.8 m/s | 4.4 |
| 2017 | 16.4°C | 11.2°C | 6.1°C | 25.3°C | -0.8°C | 103 mm | 83% | 1.6 m/s | 4.3 |
| 2016 | 14.4°C | 8.8°C | 3.1°C | 23.8°C | -5.2°C | 63 mm | 76% | 1.7 m/s | 5.2 |
| 2015 | 14.1°C | 8.6°C | 3.2°C | 21.8°C | -2.5°C | 62 mm | 80% | 1.7 m/s | 4.8 |
| 2014 | 13.6°C | 7.9°C | 2.3°C | 20.4°C | -3.3°C | 146 mm | 80% | 1.8 m/s | 5.1 |
| 2013 | 14.4°C | 8.9°C | 3.4°C | 22.1°C | -4.0°C | 44 mm | 77% | 1.7 m/s | 5.4 |
| 2012 | 15.5°C | 9.7°C | 3.9°C | 26.1°C | -0.7°C | 73 mm | 74% | 1.7 m/s | 5.6 |
| 2011 | 14.8°C | 10.0°C | 5.1°C | 23.4°C | -0.5°C | 145 mm | 84% | 1.8 m/s | 3.9 |
| 2010 | 16.6°C | 11.1°C | 5.6°C | 25.8°C | 1.0°C | 70 mm | 80% | 1.5 m/s | 5.2 |
| 2009 | 15.0°C | 9.9°C | 4.7°C | 28.9°C | -2.7°C | 85 mm | 79% | 1.7 m/s | 4.7 |
| 2008 | 15.3°C | 10.0°C | 4.6°C | 25.0°C | -3.9°C | 74 mm | 80% | 1.5 m/s | 5.2 |
| 2007 | 12.3°C | 7.5°C | 2.7°C | 22.4°C | -3.4°C | 224 mm | 81% | 1.7 m/s | 4.3 |
| 2006 | 15.6°C | 10.0°C | 4.5°C | 24.0°C | -0.6°C | 118 mm | 78% | 1.7 m/s | 5.1 |
| 2005 | 15.4°C | 9.7°C | 3.9°C | 25.5°C | -1.5°C | 122 mm | 80% | 1.7 m/s | 5.3 |
| 2004 | 14.4°C | 9.1°C | 3.8°C | 23.8°C | -2.9°C | 125 mm | 81% | 1.7 m/s | 4.6 |
| 2003 | 11.9°C | 7.0°C | 2.1°C | 24.5°C | -4.2°C | 70 mm | 83% | 1.7 m/s | 4.4 |
| 2002 | 17.0°C | 11.1°C | 5.2°C | 32.4°C | -4.9°C | 98 mm | 73% | 1.7 m/s | 4.6 |
| 2001 | 15.1°C | 9.3°C | 3.5°C | 25.4°C | -2.8°C | 41 mm | 78% | 1.4 m/s | 5 |
| 2000 | 12.9°C | 8.0°C | 3.2°C | 22.3°C | -2.6°C | 103 mm | 82% | 1.9 m/s | 3.9 |
| 1999 | 14.5°C | 8.8°C | 3.1°C | 21.6°C | -1.5°C | 52 mm | 76% | 1.6 m/s | 5 |
| 1998 | 14.3°C | 9.2°C | 4.1°C | 20.0°C | -0.7°C | 136 mm | 81% | 1.6 m/s | 4.6 |
| 1997 | 12.9°C | 7.6°C | 2.3°C | 19.3°C | -4.0°C | 75 mm | 78% | 1.8 m/s | 5.3 |
| 1996 | 12.7°C | 8.0°C | 3.2°C | 21.7°C | -2.4°C | 162 mm | 83% | 2.1 m/s | 4.2 |
| 1995 | 13.3°C | 7.6°C | 2.0°C | 19.5°C | -5.1°C | 65 mm | 75% | 1.6 m/s | 5 |
| 1994 | 15.0°C | 9.5°C | 4.1°C | 23.8°C | -2.6°C | 81 mm | 82% | 1.6 m/s | 5 |
| 1993 | 13.9°C | 8.5°C | 3.2°C | 21.6°C | -2.1°C | 124 mm | 83% | 1.8 m/s | 4.5 |
| 1992 | 12.3°C | 7.2°C | 2.1°C | 21.9°C | -3.0°C | 57 mm | 80% | 1.4 m/s | 4.4 |
| 1991 | 14.8°C | 9.6°C | 4.5°C | 24.2°C | -2.2°C | 97 mm | 81% | 1.6 m/s | 4.5 |
| 1990 | 13.6°C | 8.6°C | 3.7°C | 26.8°C | -3.5°C | 101 mm | 83% | 1.7 m/s | 4.3 |
| 1989 | 13.0°C | 7.5°C | 2.1°C | 22.2°C | -3.2°C | 81 mm | 78% | 1.6 m/s | 4.6 |
| 1988 | 12.6°C | 7.7°C | 2.9°C | 17.6°C | -1.4°C | 54 mm | 81% | 1.7 m/s | 4.4 |
| 1987 | 13.5°C | 8.8°C | 4.2°C | 20.8°C | -1.6°C | 148 mm | 85% | 1.6 m/s | 4.2 |
| 1986 | 13.8°C | 8.8°C | 3.8°C | 23.0°C | -2.1°C | 112 mm | 82% | 1.7 m/s | 4.6 |
| 1985 | 15.6°C | 10.0°C | 4.3°C | 26.3°C | -3.9°C | 29 mm | 74% | 1.6 m/s | 4.7 |
| 1984 | 13.1°C | 8.3°C | 3.4°C | 22.0°C | -2.8°C | 150 mm | 85% | 1.6 m/s | 4.5 |
| 1983 🌧️ | 12.8°C | 8.1°C | 3.4°C | 24.7°C | -2.4°C | 271 mm | 86% | 1.7 m/s | — |
| 1982 ❄️ | 12.2°C | 6.3°C | 0.4°C | 21.4°C | -8.8°C | 131 mm | 78% | 2.1 m/s | — |
| 1981 | 15.4°C | 9.2°C | 3.1°C | 22.8°C | -3.5°C | 92 mm | 77% | 1.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 14.2°C with lows near 3.6°C (mean 8.9°C), based on 45 years of NASA POWER data.
April averages 105 mm of rainfall in Stamford, about average for rainfall. The wettest on record was 271 mm in 1983.
The hottest April reached 32.4°C in 2002. The coldest dipped to -8.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.4°C. Daytime highs moved from 13.8°C to 15.1°C and overnight lows from 2.9°C to 4.6°C over the same span.
April is one of the cooler months of the year in Stamford and about average for rainfall, so plan for around 14.2°C daytime highs and 3.6°C at night.
Not quite — April is the 6th coolest month in Stamford, averaging 8.9°C.
For April in Stamford, pack warm layers and a jacket for chilly mornings, with typical highs of 14.2°C and lows of 3.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 80% — quite humid.
Average wind speed in April is 1.7 m/s. The windiest April on record averaged 2.1 m/s (1982).
The wettest April on record was 1983 with 271 mm. On average, April sees 105 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 Stamford 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.
