Elk Grove weather in January
In January, Elk Grove has daytime highs averaging 14 °C, nights around 4.4 °C, with 10 wet days. Figures are 1991–2020 climate normals.
- 13.8°C Average high
- 4.4°C Average low
- 10days Wet days
- 123mm Rainfall
- 9.8h Daylight
Daily temperatures through January
How January develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 January | 12.9 °C | 4.1 °C | 32 % |
| 11–20 January | 13.9 °C | 4.3 °C | 29 % |
| 21–31 January | 14.4 °C | 4.7 °C | 35 % |
- Average highs rise from 12.9 °C early in January to 14.4 °C by the end of it.
- Rain is most likely over days 21–31 of January (35 % of days) and least likely over days 11–20 (29 %).
What to expect
| Measure | Typical January | Share of the month |
|---|---|---|
| Days above 25 °C | 0 of 31 | 0 % |
| Days above 30 °C | 0 of 31 | 0 % |
| Days below 0 °C | 2.7 of 31 | 9 % |
| Days with more than 1 mm rain | 10 of 31 | 32 % |
Conditions in January
| Measure | Average |
|---|---|
| Mean temperature | 8.3 °C |
| Record high (1991–2020) | 22 °C |
| Record low (1991–2020) | -4.0 °C |
| Relative humidity | 81 % |
| Wind speed | 13 km/h |
| Cloud cover | 60 % |
January compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 13.8 °C | 123 mm | 60 % |
| February | 15.9 °C | 120 mm | 57 % |
| March | 18.7 °C | 102 mm | 54 % |
| November | 18.0 °C | 63 mm | 47 % |
| December | 13.4 °C | 121 mm | 57 % |
See all twelve months for Elk Grove
- January is the 11th warmest month here.
- It is the 12th driest month of the year.
- It ranks 12th for least cloud cover.
- Days last about 9.8 hours from sunrise to sunset.
- It rains on 10 of 31 days — 32 % of the month.
- Nights are about 9.4 °C cooler than the middle of the day.
- The hottest January day on record since 1991 reached 22 °C, 8.6 °C above the usual daytime high.
QuestionsJanuary in Elk Grove, answered
How warm is Elk Grove in January?
Daily highs average 14 °C and nights fall to about 4.4 °C, a spread of 9.4 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.
Does it rain much in Elk Grove in January?
January averages 123 mm of rain, spread over about 10 of the 31 days — 32 % of the month. Cloud cover averages 60 % of the sky.
How long are the days in January?
Elk Grove averages 9.8 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.