April is one of the cooler months of the year in Griffin, with average highs near 23.1°C and lows around 10.1°C (mean 16.6°C). It is about average for rainfall, averaging 96 mm of rainfall and 77% relative humidity across the period.
April is one of the cooler months of the year in Griffin. Across 45 years of records, the warmest April in Griffin was 2006 — when the month averaged 19.4°C — while the coldest was 1983 at 13.4°C. Typical April days reach 23.1°C with nights near 10.1°C. The long-term trend is warming, about 0.4°C per decade.
April is about average for rainfall in Griffin, averaging 96 mm of rainfall. The wettest April on record was 1982 with 197 mm, while the driest was 1986 at 10 mm.
Relative humidity in Griffin during April averages 77%. The most humid April was 1991 at 85%, and the least humid was 2004 at 65%.
April receives about 5.5 kWh/m²/day of solar energy in Griffin. The sunniest April was 2010 at 6.2 kWh/m²/day, and the cloudiest was 1984 at 4.4.
Average wind speed in Griffin during April is 0.1 m/s. The windiest Aprils were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.7°C | 16.1°C | 16.8°C | 17.3°C | 17.0°C | +1.3°C |
| Avg High | 22.3°C | 22.5°C | 23.4°C | 23.7°C | 23.6°C | +1.3°C |
| Avg Low | 9.2°C | 9.7°C | 10.1°C | 11.0°C | 10.3°C | +1.1°C |
| Avg Rain | 97 mm | 85 mm | 84 mm | 111 mm | 110 mm | +13 mm |
April temperatures in Griffin have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -3.2°C (1987) to a record high of 34.6°C (1986).
Rainfall in April is about average for rainfall, averaging 96 mm, with a wettest year of 197 mm.
A good time to visit Griffin
April is a good time to visit Griffin, with days averaging 23.1°C and nights around 10.1°C (mean 16.6°C, close to Griffin's yearly average) and higher rainfall. May and September 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 | 25.8°C | 18.9°C | 12.0°C | 31.0°C | 3.1°C | 86 mm | 75% | 0.1 m/s | 5.6 |
| 2024 | 23.8°C | 17.5°C | 11.2°C | 30.0°C | 2.7°C | 103 mm | 79% | 0.1 m/s | 5.7 |
| 2023 | 23.5°C | 17.0°C | 10.4°C | 29.4°C | 4.0°C | 119 mm | 78% | 0.1 m/s | 5.4 |
| 2022 | 23.3°C | 16.2°C | 9.1°C | 28.0°C | 2.1°C | 105 mm | 76% | 0.1 m/s | 5.7 |
| 2021 | 22.8°C | 16.1°C | 9.5°C | 31.2°C | -1.1°C | 56 mm | 74% | 0.1 m/s | 6.1 |
| 2020 | 22.5°C | 16.0°C | 9.5°C | 26.9°C | 2.9°C | 194 mm | 77% | 0.1 m/s | 5.8 |
| 2019 | 23.8°C | 17.4°C | 11.0°C | 29.2°C | 3.1°C | 137 mm | 79% | 0.1 m/s | 5.7 |
| 2018 | 21.7°C | 14.8°C | 8.0°C | 27.3°C | 1.2°C | 118 mm | 76% | 0.1 m/s | 5.7 |
| 2017 | 25.7°C | 19.3°C | 12.9°C | 30.0°C | 2.8°C | 94 mm | 77% | 0.1 m/s | 5.5 |
| 2016 | 22.7°C | 16.8°C | 11.0°C | 31.2°C | 3.9°C | 120 mm | 79% | 0.1 m/s | 6 |
| 2015 | 23.7°C | 18.3°C | 13.0°C | 28.3°C | 6.6°C | 186 mm | 84% | 0.1 m/s | 4.9 |
| 2014 | 22.4°C | 16.4°C | 10.4°C | 27.1°C | 0.2°C | 184 mm | 82% | 0.1 m/s | 5.2 |
| 2013 | 22.3°C | 16.0°C | 9.8°C | 27.6°C | 3.8°C | 117 mm | 82% | 0.1 m/s | 5.4 |
| 2012 | 25.7°C | 18.9°C | 12.0°C | 34.2°C | 4.0°C | 23 mm | 71% | 0.1 m/s | 5.8 |
| 2011 | 25.0°C | 18.1°C | 11.2°C | 30.4°C | 3.4°C | 71 mm | 75% | 0.1 m/s | 6.1 |
| 2010 | 24.3°C | 17.4°C | 10.6°C | 29.0°C | 5.6°C | 57 mm | 78% | 0.1 m/s | 6.2 |
| 2009 | 21.7°C | 15.6°C | 9.5°C | 28.9°C | -0.6°C | 136 mm | 81% | 0.1 m/s | 5.4 |
| 2008 | 22.6°C | 16.4°C | 10.1°C | 27.4°C | 2.5°C | 83 mm | 79% | 0.1 m/s | 5.4 |
| 2007 | 22.4°C | 15.5°C | 8.6°C | 31.7°C | -1.7°C | 54 mm | 70% | 0.1 m/s | 5.7 |
| 2006 🔥 | 26.6°C | 19.4°C | 12.1°C | 31.8°C | 4.2°C | 61 mm | 70% | 0.1 m/s | 5.9 |
| 2005 | 21.4°C | 15.2°C | 9.0°C | 26.6°C | 2.7°C | 138 mm | 79% | 0.1 m/s | 5.5 |
| 2004 | 25.1°C | 17.3°C | 9.5°C | 32.5°C | 2.4°C | 50 mm | 65% | 0.1 m/s | 5.9 |
| 2003 | 22.8°C | 16.9°C | 10.9°C | 29.1°C | 2.5°C | 128 mm | 83% | 0.1 m/s | 4.9 |
| 2002 | 25.5°C | 19.0°C | 12.6°C | 32.2°C | 3.5°C | 68 mm | 75% | 0.1 m/s | 5.1 |
| 2001 | 23.4°C | 17.1°C | 10.9°C | 31.3°C | 1.4°C | 76 mm | 80% | 0.1 m/s | 5.6 |
| 2000 | 22.6°C | 15.4°C | 8.1°C | 29.1°C | -0.1°C | 45 mm | 72% | 0.1 m/s | 5.2 |
| 1999 | 26.0°C | 19.2°C | 12.4°C | 32.2°C | 3.5°C | 38 mm | 71% | 0.1 m/s | 5.3 |
| 1998 | 21.6°C | 15.9°C | 10.2°C | 26.9°C | 4.3°C | 187 mm | 82% | 0.1 m/s | 4.9 |
| 1997 | 21.1°C | 14.8°C | 8.4°C | 26.3°C | 2.1°C | 121 mm | 75% | 0.1 m/s | 5.6 |
| 1996 | 21.0°C | 14.4°C | 7.9°C | 27.0°C | 0.5°C | 82 mm | 77% | 0.1 m/s | 5.7 |
| 1995 | 23.3°C | 16.6°C | 9.9°C | 27.8°C | 1.6°C | 42 mm | 78% | 0.1 m/s | 5.6 |
| 1994 | 24.3°C | 17.6°C | 10.9°C | 30.2°C | 2.5°C | 73 mm | 79% | 0.1 m/s | 5.9 |
| 1993 | 20.1°C | 13.7°C | 7.2°C | 27.0°C | -1.2°C | 58 mm | 77% | 0.1 m/s | 5.4 |
| 1992 | 21.9°C | 15.3°C | 8.7°C | 28.2°C | -1.9°C | 52 mm | 78% | 0.1 m/s | 5.6 |
| 1991 | 23.5°C | 18.2°C | 12.9°C | 28.9°C | 2.8°C | 140 mm | 85% | 0.1 m/s | 4.5 |
| 1990 | 21.9°C | 15.3°C | 8.6°C | 29.2°C | -0.4°C | 62 mm | 78% | 0.1 m/s | 5.8 |
| 1989 | 21.8°C | 15.5°C | 9.2°C | 29.1°C | -0.2°C | 176 mm | 78% | 0.1 m/s | 5.5 |
| 1988 | 22.7°C | 16.1°C | 9.4°C | 29.5°C | 3.2°C | 124 mm | 77% | 0.1 m/s | 5 |
| 1987 | 21.2°C | 14.6°C | 8.0°C | 29.9°C | -3.2°C | 16 mm | 76% | 0.1 m/s | 5.7 |
| 1986 | 24.9°C | 16.9°C | 8.8°C | 34.6°C | 0.5°C | 10 mm | 66% | 0.1 m/s | 6.1 |
| 1985 | 23.8°C | 17.0°C | 10.2°C | 30.6°C | 0.6°C | 48 mm | 71% | 0.1 m/s | 5.7 |
| 1984 | 21.3°C | 15.5°C | 9.6°C | 28.4°C | 3.4°C | 90 mm | 82% | 0.1 m/s | 4.4 |
| 1983 ❄️ | 19.8°C | 13.4°C | 7.1°C | 25.7°C | -2.0°C | 137 mm | 80% | 0.1 m/s | — |
| 1982 🌧️ | 20.6°C | 14.8°C | 8.9°C | 26.2°C | -1.3°C | 197 mm | 80% | 0.1 m/s | — |
| 1981 | 24.6°C | 17.9°C | 11.3°C | 30.0°C | 3.5°C | 79 mm | 77% | 0.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 23.1°C with lows near 10.1°C (mean 16.6°C), based on 45 years of NASA POWER data.
April averages 96 mm of rainfall in Griffin, about average for rainfall. The wettest on record was 197 mm in 1982.
The hottest April reached 34.6°C in 1986. The coldest dipped to -3.2°C in 1987.
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 22°C to 23.8°C and overnight lows from 9.4°C to 10.4°C over the same span.
April is one of the cooler months of the year in Griffin and about average for rainfall, so plan for around 23.1°C daytime highs and 10.1°C at night.
Not quite — April is the 6th coolest month in Griffin, averaging 16.6°C.
For April in Griffin, pack light layers you can adjust through the day, with typical highs of 23.1°C and lows of 10.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 77% — quite humid.
Average wind speed in April is 0.1 m/s. The windiest April on record averaged 0.1 m/s (1981).
The wettest April on record was 1982 with 197 mm. On average, April sees 96 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 Griffin 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.
