Folsom weather by month
Average highs run from 56°F in January to 94°F in July, and January nights average 41°F. It gets 19 inches of rain and melted snow a year, with almost no snow. Expect about 90 days a year at 90°F or hotter. The most comfortable months are February to May and October to November.
Best time to visit Folsom
For comfortable weather, go in February to May and October to November. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 57°F | 41°F | 3.9 in | 0.0 in | 7 | 0 | 2 | cool |
| February | 62°F | 44°F | 3.6 in | 0.0 in | 7 | 0 | 0 | mild |
| March | 68°F | 47°F | 2.8 in | 0.0 in | 6 | 0 | 0 | mild |
| April | 74°F | 49°F | 1.4 in | 0.0 in | 3 | 1 | 0 | mild |
| May | 81°F | 54°F | 0.9 in | 0.0 in | 2 | 7 | 0 | warm |
| June | 89°F | 59°F | 0.2 in | 0.0 in | 1 | 15 | 0 | hot |
| July | 94°F | 61°F | 0.0 in | 0.0 in | 0 | 24 | 0 | hot |
| August | 94°F | 61°F | 0.0 in | 0.0 in | 0 | 24 | 0 | hot |
| September | 89°F | 59°F | 0.2 in | 0.0 in | 0 | 16 | 0 | hot |
| October | 79°F | 53°F | 0.9 in | 0.0 in | 2 | 4 | 0 | warm |
| November | 65°F | 45°F | 1.8 in | 0.0 in | 4 | 0 | 0 | mild |
| December | 56°F | 41°F | 3.5 in | 0.0 in | 6 | 0 | 2 | cool |
| Year | 76°F avg | 51°F avg | 19.2 in | 0.0 in | 38 | 90 | 4 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Sacramento 5 ESE, CA (USW00023271), 16.6 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Folsom
The shortest day is December 21, with 9h 27m of daylight; the longest is June 21, with 14h 52m. The earliest sunset comes around December 3 (4:42 pm) and the latest around June 25 (8:33 pm). The sun sets after 8 pm on 101 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 am | 5:07 pm | 9h 46m |
| February | 6:55 am | 5:42 pm | 10h 47m |
| March | 7:15 am | 7:11 pm | 11h 56m |
| April | 6:28 am | 7:41 pm | 13h 13m |
| May | 5:52 am | 8:09 pm | 14h 17m |
| June | 5:39 am | 8:30 pm | 14h 51m |
| July | 5:52 am | 8:28 pm | 14h 36m |
| August | 6:19 am | 7:58 pm | 13h 39m |
| September | 6:46 am | 7:12 pm | 12h 26m |
| October | 7:14 am | 6:25 pm | 11h 12m |
| November | 6:47 am | 4:50 pm | 10h 04m |
| December | 7:15 am | 4:43 pm | 9h 28m |
Calculated for 2026 at the center of Folsom with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Folsom getting warmer?
The last 10 years averaged 2.3°F warmer than the 20th century. See the climate stripes for Folsom.Frequently asked questions
What is the warmest month in Folsom?
July is the warmest month, with an average high of 94°F and an average low of 61°F (NOAA 1991-2020 normals).
What is the coldest month in Folsom?
December is the coldest, with average lows of 41°F and highs of 56°F.
What is the rainiest month in Folsom?
January gets the most precipitation, 3.9 inches on average. July is the driest at 0.0 inches.
Does it snow in Folsom?
Very little. The normal yearly snowfall is under one inch.
When is the best time to visit Folsom?
For comfortable weather, February to May and October to November. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Folsom?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Folsom profile.
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