January is one of the cooler months of the year in Lake Havasu City, with average highs near 18.1°C and lows around 4.8°C (mean 11.5°C). It is about average for rainfall, averaging 22 mm of rainfall and 44% relative humidity across the period.
January is one of the cooler months of the year in Lake Havasu City. Across 45 years of records, the warmest January in Lake Havasu City was 2003 — when the month averaged 16°C — while the coldest was 2008 at 9°C. Typical January days reach 18.1°C with nights near 4.8°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Lake Havasu City, averaging 22 mm of rainfall. The wettest January on record was 1993 with 113 mm, while the driest was 2006 at 0 mm.
Relative humidity in Lake Havasu City during January averages 44%. The most humid January was 1993 at 71%, and the least humid was 2025 at 25%.
January receives about 3.3 kWh/m²/day of solar energy in Lake Havasu City. The sunniest Januarys were 2009, 2020 and 2025, among others at 3.6 kWh/m²/day, and the cloudiest was 1993 at 2.8.
Average wind speed in Lake Havasu City during January is 2.5 m/s. The windiest January was 2007 at 3.1 m/s, while the calmest were 1998 and 2000 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.8°C | 11.0°C | 11.7°C | 12.0°C | 11.5°C | +0.7°C |
| Avg High | 17.8°C | 17.6°C | 18.3°C | 18.7°C | 18.0°C | +0.2°C |
| Avg Low | 3.9°C | 4.5°C | 5.0°C | 5.4°C | 5.2°C | +1.3°C |
| Avg Rain | 17 mm | 36 mm | 17 mm | 25 mm | 12 mm | -5 mm |
January temperatures in Lake Havasu City have risen by about 0.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -4.5°C (2007) to a record high of 30.3°C (2003).
Rainfall in January is about average for rainfall, averaging 22 mm, with a wettest year of 113 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A quieter season to visit Lake Havasu City
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Lake Havasu City. That said, January — with days averaging 18.1°C and nights around 4.8°C (mean 11.5°C) and low rainfall (22 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 17.9°C | 11.3°C | 4.8°C | 23.4°C | -1.2°C | 2 mm | 25% | 2.7 m/s | 3.6 |
| 2024 | 17.4°C | 11.3°C | 5.2°C | 25.2°C | -0.2°C | 22 mm | 45% | 2.1 m/s | 3.2 |
| 2023 | 15.9°C | 10.3°C | 4.6°C | 21.3°C | 0.3°C | 31 mm | 52% | 2.7 m/s | 3.2 |
| 2022 | 19.5°C | 12.5°C | 5.5°C | 23.5°C | -1.8°C | 1 mm | 34% | 2.5 m/s | 3.5 |
| 2021 | 18.4°C | 12.0°C | 5.7°C | 26.9°C | 0.8°C | 13 mm | 36% | 2.6 m/s | 3.2 |
| 2020 | 18.7°C | 11.9°C | 5.2°C | 23.0°C | 1.2°C | 1 mm | 47% | 2.3 m/s | 3.6 |
| 2019 | 17.7°C | 11.4°C | 5.0°C | 24.2°C | -2.4°C | 42 mm | 49% | 2.5 m/s | 3.2 |
| 2018 | 21.9°C | 15.0°C | 8.2°C | 26.3°C | 1.3°C | 14 mm | 32% | 2.4 m/s | 3.4 |
| 2017 | 15.9°C | 10.3°C | 4.7°C | 21.7°C | -0.9°C | 37 mm | 60% | 2.6 m/s | 3 |
| 2016 | 17.1°C | 10.9°C | 4.7°C | 22.9°C | 0.4°C | 27 mm | 48% | 2.2 m/s | 3.1 |
| 2015 | 19.5°C | 13.1°C | 6.8°C | 26.1°C | -2.0°C | 23 mm | 45% | 2.1 m/s | 3.3 |
| 2014 | 21.9°C | 14.5°C | 7.0°C | 25.4°C | 2.2°C | 0 mm | 26% | 2.4 m/s | 3.5 |
| 2013 | 16.3°C | 9.3°C | 2.4°C | 24.8°C | -4.2°C | 27 mm | 42% | 2.7 m/s | 3.5 |
| 2012 | 20.4°C | 13.0°C | 5.5°C | 26.1°C | 1.5°C | 1 mm | 31% | 2.5 m/s | 3.5 |
| 2011 | 18.4°C | 11.2°C | 4.0°C | 25.6°C | -4.3°C | 0 mm | 42% | 2.7 m/s | 3.5 |
| 2010 | 17.9°C | 11.7°C | 5.5°C | 21.4°C | 0.5°C | 78 mm | 51% | 2.6 m/s | 3.2 |
| 2009 | 19.3°C | 12.2°C | 5.1°C | 24.4°C | -0.8°C | 3 mm | 45% | 2.9 m/s | 3.6 |
| 2008 ❄️ | 15.3°C | 9.0°C | 2.8°C | 19.8°C | -2.9°C | 47 mm | 52% | 2.7 m/s | 3.3 |
| 2007 | 16.1°C | 9.3°C | 2.5°C | 23.4°C | -4.5°C | 6 mm | 35% | 3.1 m/s | 3.5 |
| 2006 | 19.4°C | 12.2°C | 5.0°C | 25.6°C | 1.2°C | 0 mm | 30% | 2.7 m/s | 3.6 |
| 2005 | 16.9°C | 11.5°C | 6.2°C | 24.5°C | 0.3°C | 68 mm | 67% | 2.3 m/s | 2.9 |
| 2004 | 18.8°C | 12.0°C | 5.2°C | 25.0°C | -0.7°C | 2 mm | 39% | 2.3 m/s | 3.3 |
| 2003 🔥 | 23.2°C | 16.0°C | 8.7°C | 30.3°C | 3.3°C | 10 mm | 38% | 2.3 m/s | 3.5 |
| 2002 | 17.7°C | 10.9°C | 4.1°C | 26.4°C | -2.2°C | 0 mm | 31% | 2.7 m/s | 3.5 |
| 2001 | 16.3°C | 10.1°C | 3.9°C | 23.4°C | -0.7°C | 35 mm | 48% | 2.2 m/s | 3.2 |
| 2000 | 20.1°C | 13.4°C | 6.6°C | 26.0°C | -0.1°C | 1 mm | 30% | 2 m/s | 3.2 |
| 1999 | 19.5°C | 12.4°C | 5.4°C | 24.0°C | 0.8°C | 11 mm | 36% | 2.7 m/s | 3.5 |
| 1998 | 18.2°C | 11.6°C | 5.1°C | 23.9°C | -0.4°C | 14 mm | 50% | 2 m/s | 3.3 |
| 1997 | 17.2°C | 10.9°C | 4.6°C | 23.0°C | -1.2°C | 41 mm | 54% | 2.6 m/s | 3.1 |
| 1996 | 19.2°C | 12.1°C | 5.0°C | 25.3°C | -0.4°C | 3 mm | 30% | 2.4 m/s | 3.2 |
| 1995 | 15.9°C | 10.3°C | 4.7°C | 22.9°C | -0.3°C | 72 mm | 61% | 2.3 m/s | 3 |
| 1994 | 19.6°C | 12.2°C | 4.8°C | 25.0°C | -0.9°C | 3 mm | 29% | 2.5 m/s | 3.5 |
| 1993 🌧️ | 15.1°C | 10.0°C | 4.9°C | 20.2°C | -3.1°C | 113 mm | 71% | 2.5 m/s | 2.8 |
| 1992 | 17.4°C | 10.3°C | 3.2°C | 23.2°C | -0.9°C | 51 mm | 51% | 2.6 m/s | 3.6 |
| 1991 | 17.3°C | 10.4°C | 3.6°C | 22.2°C | -2.3°C | 23 mm | 45% | 2.2 m/s | 3.3 |
| 1990 | 16.6°C | 9.9°C | 3.2°C | 25.3°C | -2.4°C | 31 mm | 46% | 2.3 m/s | 3.5 |
| 1989 | 16.7°C | 9.5°C | 2.3°C | 23.3°C | -3.4°C | 39 mm | 45% | 2.7 m/s | 3.4 |
| 1988 | 16.2°C | 9.5°C | 2.8°C | 22.6°C | -4.1°C | 25 mm | 49% | 2.6 m/s | 3.1 |
| 1987 | 16.1°C | 9.2°C | 2.4°C | 24.7°C | -4.2°C | 14 mm | 45% | 2.6 m/s | 3.3 |
| 1986 | 21.4°C | 14.3°C | 7.3°C | 25.8°C | 2.1°C | 11 mm | 46% | 2.1 m/s | 3.3 |
| 1985 | 15.6°C | 9.1°C | 2.6°C | 19.7°C | -4.0°C | 31 mm | 58% | 2.4 m/s | 3.5 |
| 1984 | 18.7°C | 11.4°C | 4.1°C | 24.2°C | -2.6°C | 1 mm | 41% | 2.9 m/s | 3.2 |
| 1983 | 18.2°C | 11.3°C | 4.4°C | 24.2°C | -1.3°C | 13 mm | 50% | 2.4 m/s | — |
| 1982 | 16.7°C | 9.4°C | 2.2°C | 23.8°C | -2.8°C | 14 mm | 44% | 2.7 m/s | — |
| 1981 | 20.2°C | 13.7°C | 7.2°C | 25.5°C | -0.6°C | 6 mm | 39% | 2.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 18.1°C with lows near 4.8°C (mean 11.5°C), based on 45 years of NASA POWER data.
January averages 22 mm of rainfall in Lake Havasu City, about average for rainfall. The wettest on record was 113 mm in 1993.
The hottest January reached 30.3°C in 2003. The coldest dipped to -4.5°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 4.1°C to 5.2°C while daytime highs eased from 17.9°C to 17.8°C, narrowing the gap between day and night.
January is one of the cooler months of the year in Lake Havasu City and about average for rainfall, so plan for around 18.1°C daytime highs and 4.8°C at night.
Not quite — January is the 2nd coolest month in Lake Havasu City, averaging 11.5°C.
For January in Lake Havasu City, pack warm layers and a jacket for chilly mornings, with typical highs of 18.1°C and lows of 4.8°C.
Relative humidity in January averages 44% — relatively dry.
Average wind speed in January is 2.5 m/s. The windiest January on record averaged 3.1 m/s (2007).
The wettest January on record was 1993 with 113 mm. On average, January sees 22 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 Lake Havasu City 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.