January is one of the warmer months of the year in Kelso, with average highs near 28.4°C and lows around 14.2°C (mean 21.3°C). It is a relatively wet time of year, averaging 71 mm of rainfall and 57% relative humidity across the period.
January is one of the warmer months of the year in Kelso. Across 45 years of records, the warmest January in Kelso was 2019 — when the month averaged 25.4°C — while the coldest was 1984 at 17.5°C. Typical January days reach 28.4°C with nights near 14.2°C. The long-term trend is warming, about 0.4°C per decade.
January is a relatively wet time of year in Kelso, averaging 71 mm of rainfall. The wettest January on record was 1984 with 206 mm, while the driest was 1985 at 12 mm.
Relative humidity in Kelso during January averages 57%. The most humid January was 2022 at 75%, and the least humid was 1985 at 41%.
January receives about 7.2 kWh/m²/day of solar energy in Kelso. The sunniest January was 1994 at 8.1 kWh/m²/day, and the cloudiest were 1995, 2016 and 2022 at 6.5.
Average wind speed in Kelso during January is 0.7 m/s. The windiest Januarys were 1984 and 1994 at 0.8 m/s, while the calmest were 2019, 2022 and 2023, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.6°C | 20.7°C | 21.7°C | 22.2°C | 21.3°C | +0.7°C |
| Avg High | 28.0°C | 27.7°C | 29.1°C | 29.1°C | 28.0°C | 0°C |
| Avg Low | 13.2°C | 13.8°C | 14.2°C | 15.2°C | 14.7°C | +1.5°C |
| Avg Rain | 64 mm | 82 mm | 55 mm | 70 mm | 90 mm | +26 mm |
January temperatures in Kelso have fallen by about 0.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 4.6°C (2012) to a record high of 39.4°C (2020).
Rainfall in January is a relatively wet time of year, averaging 71 mm, with a wettest year of 206 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Kelso
January is one of the best times to visit Kelso. Expect days averaging 28.4°C and nights around 14.2°C (mean 21.3°C) — warmer than Kelso's yearly average — with moderate rainfall (71 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 | 28.4°C | 21.6°C | 14.7°C | 35.9°C | 9.0°C | 72 mm | 62% | 0.7 m/s | 7.1 |
| 2024 | 28.1°C | 21.6°C | 15.1°C | 33.8°C | 9.2°C | 115 mm | 66% | 0.7 m/s | 6.6 |
| 2023 | 27.1°C | 20.3°C | 13.6°C | 31.9°C | 8.2°C | 83 mm | 65% | 0.6 m/s | 7 |
| 2022 | 26.0°C | 20.5°C | 15.0°C | 29.4°C | 11.2°C | 154 mm | 75% | 0.6 m/s | 6.5 |
| 2021 | 26.4°C | 19.9°C | 13.4°C | 34.0°C | 7.4°C | 65 mm | 60% | 0.7 m/s | 7 |
| 2020 | 31.7°C | 24.0°C | 16.2°C | 39.4°C | 12.5°C | 52 mm | 52% | 0.7 m/s | 7.1 |
| 2019 🔥 | 32.1°C | 25.4°C | 18.7°C | 38.5°C | 14.7°C | 127 mm | 58% | 0.6 m/s | 7.3 |
| 2018 | 30.6°C | 23.1°C | 15.7°C | 37.7°C | 8.3°C | 45 mm | 50% | 0.6 m/s | 7.4 |
| 2017 | 31.0°C | 23.7°C | 16.4°C | 36.5°C | 11.5°C | 41 mm | 55% | 0.7 m/s | 7.5 |
| 2016 | 26.7°C | 20.2°C | 13.8°C | 35.9°C | 9.1°C | 119 mm | 63% | 0.7 m/s | 6.5 |
| 2015 | 26.2°C | 20.1°C | 14.0°C | 31.4°C | 7.6°C | 107 mm | 65% | 0.7 m/s | 6.6 |
| 2014 | 30.3°C | 22.2°C | 14.0°C | 37.4°C | 7.9°C | 26 mm | 48% | 0.7 m/s | 7.8 |
| 2013 | 31.6°C | 23.6°C | 15.5°C | 38.4°C | 10.4°C | 71 mm | 49% | 0.7 m/s | 7.6 |
| 2012 | 25.3°C | 19.3°C | 13.2°C | 30.9°C | 4.6°C | 78 mm | 65% | 0.7 m/s | 6.7 |
| 2011 | 27.8°C | 21.5°C | 15.3°C | 34.4°C | 9.7°C | 34 mm | 67% | 0.6 m/s | 6.9 |
| 2010 | 29.4°C | 22.4°C | 15.4°C | 35.2°C | 6.1°C | 47 mm | 55% | 0.7 m/s | 7.5 |
| 2009 | 30.4°C | 22.5°C | 14.5°C | 36.5°C | 8.3°C | 25 mm | 49% | 0.7 m/s | 8 |
| 2008 | 28.4°C | 21.4°C | 14.4°C | 33.4°C | 9.5°C | 69 mm | 61% | 0.7 m/s | 7.1 |
| 2007 | 29.7°C | 21.9°C | 14.2°C | 37.8°C | 6.9°C | 47 mm | 50% | 0.7 m/s | 7.7 |
| 2006 | 30.0°C | 23.0°C | 16.1°C | 37.1°C | 13.0°C | 119 mm | 62% | 0.7 m/s | 7.1 |
| 2005 | 28.5°C | 21.3°C | 14.0°C | 36.7°C | 7.7°C | 70 mm | 55% | 0.7 m/s | 7.4 |
| 2004 | 29.2°C | 22.0°C | 14.8°C | 36.9°C | 8.3°C | 52 mm | 50% | 0.7 m/s | 7.5 |
| 2003 | 31.0°C | 22.5°C | 14.1°C | 37.5°C | 8.1°C | 30 mm | 45% | 0.7 m/s | 7.6 |
| 2002 | 28.2°C | 20.6°C | 13.1°C | 33.1°C | 7.8°C | 49 mm | 49% | 0.7 m/s | 7.5 |
| 2001 | 31.3°C | 23.5°C | 15.7°C | 38.3°C | 9.4°C | 47 mm | 50% | 0.7 m/s | 7 |
| 2000 | 24.6°C | 17.9°C | 11.3°C | 34.5°C | 7.0°C | 41 mm | 61% | 0.7 m/s | 7.4 |
| 1999 | 29.8°C | 22.7°C | 15.6°C | 35.2°C | 12.6°C | 52 mm | 59% | 0.6 m/s | 7.1 |
| 1998 | 28.9°C | 22.1°C | 15.3°C | 35.2°C | 10.1°C | 98 mm | 59% | 0.7 m/s | 6.9 |
| 1997 | 25.9°C | 18.9°C | 11.9°C | 32.7°C | 6.3°C | 66 mm | 60% | 0.6 m/s | 7.2 |
| 1996 | 26.4°C | 20.1°C | 13.8°C | 35.2°C | 10.0°C | 124 mm | 66% | 0.6 m/s | 6.6 |
| 1995 | 25.2°C | 19.1°C | 13.0°C | 30.9°C | 8.1°C | 165 mm | 68% | 0.7 m/s | 6.5 |
| 1994 | 29.0°C | 20.9°C | 12.8°C | 34.4°C | 7.8°C | 17 mm | 48% | 0.8 m/s | 8.1 |
| 1993 | 28.0°C | 21.4°C | 14.7°C | 32.6°C | 9.4°C | 50 mm | 65% | 0.6 m/s | 7 |
| 1992 | 26.0°C | 19.0°C | 12.1°C | 36.0°C | 7.3°C | 112 mm | 58% | 0.6 m/s | 7.7 |
| 1991 | 28.4°C | 21.7°C | 14.9°C | 34.6°C | 8.3°C | 55 mm | 57% | 0.7 m/s | 6.9 |
| 1990 | 29.2°C | 21.4°C | 13.6°C | 37.5°C | 7.0°C | 78 mm | 55% | 0.7 m/s | 7.3 |
| 1989 | 24.7°C | 18.2°C | 11.7°C | 29.4°C | 6.6°C | 52 mm | 64% | 0.7 m/s | 7.6 |
| 1988 | 29.9°C | 22.1°C | 14.4°C | 36.2°C | 7.6°C | 71 mm | 57% | 0.6 m/s | 7.6 |
| 1987 | 28.6°C | 21.0°C | 13.4°C | 36.3°C | 6.4°C | 27 mm | 46% | 0.7 m/s | 7.4 |
| 1986 | 25.8°C | 18.4°C | 11.1°C | 31.4°C | 6.0°C | 83 mm | 56% | 0.7 m/s | 7.8 |
| 1985 | 29.4°C | 20.9°C | 12.5°C | 35.7°C | 9.0°C | 12 mm | 41% | 0.7 m/s | 7.9 |
| 1984 ❄️ 🌧️ | 23.6°C | 17.5°C | 11.5°C | 29.1°C | 5.6°C | 206 mm | 69% | 0.8 m/s | 6.7 |
| 1983 | 28.8°C | 21.1°C | 13.4°C | 34.8°C | 6.3°C | 43 mm | 44% | 0.7 m/s | — |
| 1982 | 29.2°C | 21.8°C | 14.4°C | 36.5°C | 9.6°C | 37 mm | 54% | 0.7 m/s | — |
| 1981 | 31.8°C | 24.0°C | 16.2°C | 37.1°C | 11.1°C | 47 mm | 54% | 0.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 28.4°C with lows near 14.2°C (mean 21.3°C), based on 45 years of NASA POWER data.
January averages 71 mm of rainfall in Kelso, a relatively wet time of year. The wettest on record was 206 mm in 1984.
The hottest January reached 39.4°C in 2020. The coldest dipped to 4.6°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 13.6°C to 14.4°C while daytime highs eased from 28.6°C to 27.2°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Kelso and a relatively wet time of year, so plan for around 28.4°C daytime highs and 14.2°C at night.
Not quite — January is the 12th coolest month in Kelso, averaging 21.3°C.
For January in Kelso, pack light layers you can adjust through the day, with typical highs of 28.4°C and lows of 14.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 57% — moderately humid.
Average wind speed in January is 0.7 m/s. The windiest January on record averaged 0.8 m/s (1984).
The wettest January on record was 1984 with 206 mm. On average, January sees 71 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 Kelso behaves each January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
