April is one of the warmer months of the year in Stanley, with average highs near 11.4°C and lows around -1.4°C (mean 5°C). It is about average for rainfall, averaging 34 mm of rainfall and 63% relative humidity across the period.
April is one of the warmer months of the year in Stanley. Across 45 years of records, the warmest April in Stanley was 1987 — when the month averaged 9.8°C — while the coldest was 2022 at 0.3°C. Typical April days reach 11.4°C with nights near -1.4°C. The long-term trend is cooling, about 0.3°C per decade.
April is about average for rainfall in Stanley, averaging 34 mm of rainfall. The wettest April on record was 2022 with 142 mm, while the driest was 1988 at 2 mm.
Relative humidity in Stanley during April averages 63%. The most humid April was 2022 at 77%, and the least humid was 1988 at 52%.
April receives about 4.9 kWh/m²/day of solar energy in Stanley. The sunniest Aprils were 2007 and 2018 at 5.6 kWh/m²/day, and the cloudiest was 1992 at 4.1.
Average wind speed in Stanley during April is 4.1 m/s. The windiest April was 2022 at 4.9 m/s, while the calmest was 1993 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.8°C | 4.6°C | 5.7°C | 4.8°C | 3.8°C | -2°C |
| Avg High | 12.7°C | 11.0°C | 12.1°C | 11.0°C | 9.8°C | -2.9°C |
| Avg Low | -1.2°C | -1.8°C | -0.6°C | -1.4°C | -2.2°C | -1°C |
| Avg Rain | 28 mm | 33 mm | 31 mm | 34 mm | 52 mm | +24 mm |
April temperatures in Stanley have fallen by about 1.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -18.7°C (1982) to a record high of 30.6°C (1990).
Rainfall in April is about average for rainfall, averaging 34 mm, with a wettest year of 142 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Stanley
April is a good time to visit Stanley, with days averaging 11.4°C and nights around -1.4°C (mean 5°C, close to Stanley'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 | 11.7°C | 5.2°C | -1.3°C | 20.0°C | -7.7°C | 26 mm | 65% | 3.8 m/s | 4.8 |
| 2024 | 13.4°C | 6.7°C | 0.0°C | 24.5°C | -5.8°C | 41 mm | 61% | 4.2 m/s | 4.9 |
| 2023 | 8.8°C | 3.2°C | -2.4°C | 27.6°C | -10.5°C | 44 mm | 72% | 4.3 m/s | 4.7 |
| 2022 ❄️ 🌧️ | 5.0°C | 0.3°C | -4.4°C | 14.1°C | -10.9°C | 142 mm | 77% | 4.9 m/s | 4.3 |
| 2021 | 11.4°C | 4.9°C | -1.7°C | 20.0°C | -5.5°C | 18 mm | 61% | 4 m/s | 4.7 |
| 2020 | 8.3°C | 2.6°C | -3.2°C | 22.5°C | -12.7°C | 41 mm | 67% | 3.9 m/s | 4.7 |
| 2019 | 11.6°C | 5.4°C | -0.9°C | 20.9°C | -6.2°C | 22 mm | 63% | 3.9 m/s | 4.6 |
| 2018 | 9.3°C | 2.3°C | -4.8°C | 25.2°C | -16.6°C | 6 mm | 55% | 3.9 m/s | 5.6 |
| 2017 | 12.5°C | 5.7°C | -1.1°C | 23.1°C | -6.4°C | 13 mm | 62% | 3.8 m/s | 5.1 |
| 2016 | 9.3°C | 3.5°C | -2.3°C | 20.4°C | -8.9°C | 56 mm | 67% | 4.6 m/s | 4.6 |
| 2015 | 13.2°C | 6.5°C | -0.2°C | 25.2°C | -7.7°C | 21 mm | 59% | 4.3 m/s | 5 |
| 2014 | 8.6°C | 2.8°C | -3.0°C | 22.7°C | -13.4°C | 57 mm | 68% | 4.2 m/s | 4.5 |
| 2013 | 6.6°C | 1.4°C | -3.9°C | 24.5°C | -11.6°C | 24 mm | 65% | 4 m/s | 5.2 |
| 2012 | 13.2°C | 6.8°C | 0.3°C | 23.7°C | -5.9°C | 33 mm | 58% | 4.4 m/s | 4.8 |
| 2011 | 10.5°C | 4.9°C | -0.7°C | 20.2°C | -5.8°C | 46 mm | 70% | 3.6 m/s | 4.4 |
| 2010 | 15.4°C | 8.8°C | 2.1°C | 23.3°C | -3.5°C | 67 mm | 61% | 4 m/s | 5.2 |
| 2009 | 10.0°C | 4.4°C | -1.2°C | 20.5°C | -5.8°C | 47 mm | 71% | 4.1 m/s | 4.5 |
| 2008 | 11.2°C | 4.7°C | -1.9°C | 26.5°C | -6.6°C | 33 mm | 56% | 4.1 m/s | 5.2 |
| 2007 | 11.3°C | 4.8°C | -1.7°C | 26.1°C | -16.1°C | 17 mm | 60% | 4 m/s | 5.6 |
| 2006 | 16.5°C | 9.6°C | 2.8°C | 26.0°C | -5.7°C | 32 mm | 63% | 4 m/s | 5.1 |
| 2005 | 14.8°C | 8.3°C | 1.7°C | 23.0°C | -3.8°C | 32 mm | 61% | 4.6 m/s | 5.1 |
| 2004 | 10.8°C | 4.3°C | -2.1°C | 23.5°C | -5.7°C | 43 mm | 63% | 4.1 m/s | 5 |
| 2003 | 13.3°C | 6.5°C | -0.2°C | 28.5°C | -8.1°C | 28 mm | 59% | 4.3 m/s | 4.9 |
| 2002 | 9.4°C | 3.5°C | -2.4°C | 22.0°C | -9.7°C | 20 mm | 61% | 3.8 m/s | 4.7 |
| 2001 | 12.0°C | 6.0°C | 0.0°C | 27.8°C | -7.1°C | 43 mm | 67% | 4 m/s | 4.6 |
| 2000 | 11.6°C | 5.0°C | -1.5°C | 24.0°C | -8.9°C | 14 mm | 58% | 4 m/s | 5.1 |
| 1999 | 12.8°C | 6.3°C | -0.1°C | 24.2°C | -10.5°C | 39 mm | 64% | 3.9 m/s | 5.2 |
| 1998 | 15.7°C | 8.7°C | 1.8°C | 27.0°C | -5.1°C | 49 mm | 60% | 3.7 m/s | 5.5 |
| 1997 | 7.8°C | 1.4°C | -4.9°C | 18.6°C | -18.7°C | 65 mm | 72% | 4 m/s | 5.2 |
| 1996 | 7.6°C | 1.8°C | -4.0°C | 20.3°C | -12.1°C | 30 mm | 69% | 3.8 m/s | 4.9 |
| 1995 | 7.7°C | 1.9°C | -3.9°C | 16.1°C | -16.3°C | 14 mm | 64% | 3.6 m/s | 5 |
| 1994 | 11.2°C | 4.7°C | -1.9°C | 25.0°C | -8.6°C | 10 mm | 56% | 4.2 m/s | 5.4 |
| 1993 | 11.9°C | 5.3°C | -1.3°C | 20.6°C | -7.4°C | 15 mm | 60% | 3 m/s | 4.7 |
| 1992 | 9.6°C | 3.8°C | -2.1°C | 27.1°C | -8.7°C | 24 mm | 69% | 4.1 m/s | 4.1 |
| 1991 | 14.6°C | 7.7°C | 0.9°C | 25.5°C | -5.7°C | 51 mm | 58% | 4.1 m/s | 4.5 |
| 1990 | 10.6°C | 4.3°C | -2.1°C | 30.6°C | -9.8°C | 33 mm | 57% | 4.4 m/s | 4.6 |
| 1989 | 10.8°C | 4.5°C | -1.8°C | 24.2°C | -7.7°C | 18 mm | 61% | 4.2 m/s | 5.3 |
| 1988 | 13.8°C | 6.1°C | -1.7°C | 24.3°C | -6.1°C | 2 mm | 52% | 4.5 m/s | 5.2 |
| 1987 🔥 | 17.6°C | 9.8°C | 2.0°C | 30.1°C | -6.6°C | 8 mm | 55% | 4 m/s | 5.4 |
| 1986 | 11.7°C | 5.2°C | -1.2°C | 24.0°C | -7.5°C | 76 mm | 69% | 4.6 m/s | 4.5 |
| 1985 | 14.3°C | 7.0°C | -0.4°C | 28.8°C | -6.4°C | 15 mm | 59% | 3.8 m/s | 5.3 |
| 1984 | 13.3°C | 7.1°C | 0.9°C | 21.0°C | -9.5°C | 71 mm | 65% | 4 m/s | 4.6 |
| 1983 | 9.5°C | 3.3°C | -2.8°C | 21.9°C | -9.4°C | 10 mm | 65% | 4 m/s | — |
| 1982 | 10.2°C | 2.8°C | -4.6°C | 27.1°C | -18.7°C | 21 mm | 63% | 4.2 m/s | — |
| 1981 | 13.5°C | 6.2°C | -1.1°C | 25.3°C | -7.3°C | 32 mm | 59% | 4.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 11.4°C with lows near -1.4°C (mean 5°C), based on 45 years of NASA POWER data.
April averages 34 mm of rainfall in Stanley, about average for rainfall. The wettest on record was 142 mm in 2022.
The hottest April reached 30.6°C in 1990. The coldest dipped to -18.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 1.2°C. Daytime highs moved from 12.2°C to 10.1°C and overnight lows from -1.6°C to -2°C over the same span.
April is one of the warmer months of the year in Stanley and about average for rainfall, so plan for around 11.4°C daytime highs and -1.4°C at night.
Not quite — April is the 6th coolest month in Stanley, averaging 5°C.
For April in Stanley, pack warm layers and a jacket for chilly mornings, with typical highs of 11.4°C and lows of -1.4°C.
Relative humidity in April averages 63% — moderately humid.
Average wind speed in April is 4.1 m/s. The windiest April on record averaged 4.9 m/s (2022).
The wettest April on record was 2022 with 142 mm. On average, April sees 34 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 Stanley 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.