April is one of the cooler months of the year in Katherine, with average highs near 31.8°C and lows around 20.9°C (mean 26.4°C). It is one of the drier months, averaging 35 mm of rainfall and 71% relative humidity across the period.
April is one of the cooler months of the year in Katherine. Across 45 years of records, the warmest April in Katherine was 2022 — when the month averaged 30.3°C — while the coldest was 2008 at 23.2°C. Typical April days reach 31.8°C with nights near 20.9°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Katherine, averaging 35 mm of rainfall. The wettest April on record was 2006 with 235 mm, while the driest was 1997 at 0 mm.
Relative humidity in Katherine during April averages 71%. The most humid April was 2006 at 89%, and the least humid was 1990 at 45%.
April receives about 6 kWh/m²/day of solar energy in Katherine. The sunniest Aprils were 2004 and 2008 at 6.5 kWh/m²/day, and the cloudiest was 2006 at 4.8.
Average wind speed in Katherine during April is 2.6 m/s. The windiest April was 1993 at 3.3 m/s, while the calmest were 1981, 1995 and 2021 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.3°C | 26.3°C | 25.6°C | 26.7°C | 27.1°C | +0.8°C |
| Avg High | 31.9°C | 32.1°C | 30.6°C | 32.2°C | 32.6°C | +0.7°C |
| Avg Low | 20.7°C | 20.6°C | 20.5°C | 21.4°C | 21.7°C | +1°C |
| Avg Rain | 42 mm | 26 mm | 40 mm | 39 mm | 29 mm | -12 mm |
April temperatures in Katherine have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 10.3°C (1999) to a record high of 39.2°C (2022).
Rainfall in April is one of the drier months, averaging 35 mm, with a wettest year of 235 mm.
A good time to visit Katherine
April is a good time to visit Katherine, with days averaging 31.8°C and nights around 20.9°C (mean 26.4°C, close to Katherine's yearly average) and moderate rainfall. June 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 | 31.1°C | 26.5°C | 22.0°C | 33.2°C | 16.7°C | 41 mm | 75% | 2.7 m/s | 5.4 |
| 2024 | 29.1°C | 24.5°C | 20.0°C | 30.8°C | 15.8°C | 6 mm | 82% | 3 m/s | 6.1 |
| 2023 | 32.3°C | 27.0°C | 21.7°C | 34.5°C | 15.2°C | 49 mm | 72% | 2.6 m/s | 5.8 |
| 2022 🔥 | 37.3°C | 30.3°C | 23.3°C | 39.2°C | 19.3°C | 37 mm | 50% | 2.3 m/s | 6 |
| 2021 | 29.5°C | 24.7°C | 19.9°C | 32.3°C | 14.5°C | 4 mm | 78% | 2 m/s | 6.1 |
| 2020 | 36.2°C | 29.6°C | 23.1°C | 38.6°C | 20.4°C | 38 mm | 54% | 2.8 m/s | 6 |
| 2019 | 34.8°C | 28.7°C | 22.6°C | 36.5°C | 19.8°C | 18 mm | 57% | 3.2 m/s | 5.8 |
| 2018 | 37.1°C | 30.0°C | 23.0°C | 39.1°C | 18.7°C | 6 mm | 51% | 2.6 m/s | 6.2 |
| 2017 | 33.3°C | 27.5°C | 21.8°C | 36.2°C | 17.1°C | 7 mm | 65% | 2.8 m/s | 5.7 |
| 2016 | 34.6°C | 28.5°C | 22.4°C | 36.7°C | 21.0°C | 4 mm | 61% | 2.4 m/s | 6.2 |
| 2015 | 31.7°C | 25.5°C | 19.3°C | 33.2°C | 13.4°C | 4 mm | 62% | 2.4 m/s | 6.4 |
| 2014 | 32.6°C | 27.7°C | 22.8°C | 35.2°C | 19.2°C | 29 mm | 73% | 2.4 m/s | 5.6 |
| 2013 | 29.7°C | 24.8°C | 20.0°C | 32.1°C | 15.7°C | 53 mm | 80% | 2.1 m/s | 6.1 |
| 2012 | 30.0°C | 24.8°C | 19.6°C | 31.8°C | 13.0°C | 32 mm | 78% | 2.4 m/s | 6 |
| 2011 | 27.0°C | 23.3°C | 19.6°C | 28.7°C | 14.3°C | 153 mm | 88% | 3.1 m/s | 5.5 |
| 2010 | 30.9°C | 26.6°C | 22.4°C | 32.9°C | 19.5°C | 82 mm | 80% | 2.5 m/s | 5.5 |
| 2009 | 31.3°C | 26.0°C | 20.6°C | 33.0°C | 14.5°C | 0 mm | 74% | 2.2 m/s | 6.3 |
| 2008 ❄️ | 29.0°C | 23.2°C | 17.4°C | 30.3°C | 14.2°C | 2 mm | 77% | 2.2 m/s | 6.5 |
| 2007 | 29.9°C | 24.9°C | 19.9°C | 32.2°C | 17.3°C | 1 mm | 82% | 2.5 m/s | 6.3 |
| 2006 🌧️ | 28.4°C | 25.0°C | 21.6°C | 30.2°C | 17.2°C | 235 mm | 89% | 2.8 m/s | 4.8 |
| 2005 | 35.4°C | 28.6°C | 21.8°C | 36.8°C | 19.8°C | 1 mm | 56% | 2.8 m/s | 6.1 |
| 2004 | 29.3°C | 24.6°C | 19.9°C | 30.8°C | 16.6°C | 0 mm | 84% | 2.4 m/s | 6.5 |
| 2003 | 31.0°C | 25.8°C | 20.5°C | 33.0°C | 15.3°C | 5 mm | 77% | 2.2 m/s | 6.3 |
| 2002 | 33.8°C | 27.4°C | 21.1°C | 36.0°C | 18.5°C | 6 mm | 62% | 2.5 m/s | 6.3 |
| 2001 | 29.0°C | 24.6°C | 20.1°C | 30.0°C | 15.1°C | 13 mm | 85% | 3 m/s | 5.7 |
| 2000 | 29.3°C | 25.7°C | 22.2°C | 30.8°C | 19.2°C | 133 mm | 88% | 2.5 m/s | 5.4 |
| 1999 | 28.9°C | 24.7°C | 20.5°C | 30.9°C | 10.3°C | 49 mm | 83% | 2.9 m/s | 5.7 |
| 1998 | 31.7°C | 26.6°C | 21.6°C | 33.9°C | 18.4°C | 35 mm | 77% | 2.5 m/s | 5.8 |
| 1997 | 29.5°C | 24.0°C | 18.5°C | 30.7°C | 16.4°C | 0 mm | 77% | 2.4 m/s | 6.3 |
| 1996 | 33.2°C | 27.2°C | 21.2°C | 36.8°C | 15.0°C | 90 mm | 64% | 2.7 m/s | 5.8 |
| 1995 | 31.4°C | 25.5°C | 19.6°C | 33.1°C | 15.8°C | 29 mm | 69% | 2 m/s | 6.3 |
| 1994 | 29.6°C | 24.0°C | 18.3°C | 32.9°C | 10.8°C | 11 mm | 76% | 2.7 m/s | 6.2 |
| 1993 | 34.5°C | 27.9°C | 21.4°C | 35.7°C | 20.3°C | 1 mm | 59% | 3.3 m/s | 6.2 |
| 1992 | 34.9°C | 28.5°C | 22.1°C | 36.9°C | 18.5°C | 19 mm | 58% | 3 m/s | 5.5 |
| 1991 | 30.4°C | 25.6°C | 20.7°C | 32.8°C | 15.7°C | 23 mm | 76% | 2.6 m/s | 6 |
| 1990 | 36.7°C | 29.4°C | 22.1°C | 38.8°C | 16.2°C | 7 mm | 45% | 2.3 m/s | 6.3 |
| 1989 | 30.7°C | 26.2°C | 21.8°C | 32.7°C | 18.4°C | 72 mm | 80% | 2.3 m/s | 5.9 |
| 1988 | 36.1°C | 28.8°C | 21.5°C | 38.2°C | 16.2°C | 12 mm | 51% | 2.5 m/s | 6.1 |
| 1987 | 33.9°C | 27.4°C | 20.8°C | 36.3°C | 16.0°C | 2 mm | 64% | 3 m/s | 6.3 |
| 1986 | 34.8°C | 28.1°C | 21.3°C | 37.9°C | 17.0°C | 56 mm | 56% | 3 m/s | 6.2 |
| 1985 | 30.1°C | 24.9°C | 19.7°C | 34.0°C | 13.9°C | 139 mm | 75% | 3 m/s | 5.8 |
| 1984 | 28.8°C | 24.2°C | 19.6°C | 30.4°C | 13.1°C | 3 mm | 84% | 2.6 m/s | 6.2 |
| 1983 | 31.0°C | 26.3°C | 21.6°C | 34.2°C | 16.3°C | 87 mm | 74% | 2.4 m/s | — |
| 1982 | 30.0°C | 24.8°C | 19.6°C | 31.0°C | 15.8°C | 1 mm | 77% | 2.4 m/s | — |
| 1981 | 32.0°C | 26.3°C | 20.6°C | 32.9°C | 18.4°C | 3 mm | 70% | 2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 31.8°C with lows near 20.9°C (mean 26.4°C), based on 45 years of NASA POWER data.
April averages 35 mm of rainfall in Katherine, one of the drier months. The wettest on record was 235 mm in 2006.
The hottest April reached 39.2°C in 2022. The coldest dipped to 10.3°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.3°C. Daytime highs moved from 30.4°C to 31.9°C and overnight lows from 20.2°C to 21.4°C over the same span.
April is one of the cooler months of the year in Katherine and one of the drier months, so plan for around 31.8°C daytime highs and 20.9°C at night.
Not quite — April is the 5th coolest month in Katherine, averaging 26.4°C.
For April in Katherine, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 20.9°C.
Relative humidity in April averages 71% — moderately humid.
Average wind speed in April is 2.6 m/s. The windiest April on record averaged 3.3 m/s (1993).
The wettest April on record was 2006 with 235 mm. On average, April sees 35 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 Katherine 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.
