Fremont, CA Climate & Monthly Averages
Fremont has an oceanic climate. August is the hottest month, averaging 80° by day; December is the coldest at 58°.
Sunshine is a defining feature of Fremont's climate
Fremont runs on a dry-summer rhythm: the warmest months are also the driest. June averages 1 mm (0.0 in) while the wet season peaks in January at 4.5 inches (116 mm). Highs range from 58°F (14°C) to 80°F (27°C).
How sun, temperature and rain fit together
July is the brightest month at 13.7 hours of sun a day, against an annual average of 10.6 - sunnier than roughly 85% of the cities we track. December sits at the other end of the year: 58°F (14°C) by day, 44°F (7°C) at night. Warmth peaks in August: highs of 80°F (27°C), lows of 59°F (15°C). The wettest month is January (4.5 inches (116 mm) across 10 days) and the driest June.
Seven of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through October. The gridded 2015-2024 daily record for this location tops out at 110°F (43°C) and bottoms at 29°F (-1°C) - decade extremes, not all-time station records.
More climate facts for Fremont
- Hottest month: August - highs near 80°F (27°C)
- Coldest month: December - highs near 58°F (14°C)
- Decade extremes (2015-2024): 110°F (43°C) high · 29°F (-1°C) low
- Wettest month: January (10 rainy days) · Sunniest: July (13.7 h sun/day)
- Climate type: oceanic
- Annual swing: 10°C between the average warmest and coolest month · day to night: 10°C
- Average humidity: 70%
The most comfortable sunny-weather window
Best time to visit Fremont
The best time to visit Fremont is generally April to August and February, when the dry season is running but the afternoons are still bearable. Daytime temperatures in that window sit near 72°F (22°C), with rain on about 3 days a month. For the same question asked the other way round, see where else is warm in April.
What to pack
Pack for Fremont with rain gear if you travel around January. Even in August, lows of 59°F (15°C) make an extra layer worth the space.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 59° | 44° | 10 | 4.5 in | 7.2 h/day | 9.8 h | 33% | 79% |
| February | 61° | 45° | 8 | 3.5 in | 8.9 h/day | 10.8 h | 28% | 72% |
| March | 63° | 47° | 10 | 3.8 in | 9.5 h/day | 11.9 h | 34% | 75% |
| April | 66° | 50° | 5 | 1.6 in | 11.2 h/day | 13.1 h | 17% | 72% |
| May | 71° | 52° | 3 | 0.8 in | 12.8 h/day | 14.2 h | 11% | 68% |
| June | 78° | 56° | 1 | 0.0 in | 13.5 h/day | 14.7 h | 2% | 64% |
| July | 79° | 58° | 0 | 0.1 in | 13.7 h/day | 14.5 h | 1% | 66% |
| August | 80° | 59° | 0 | 0.1 in | 12.8 h/day | 13.6 h | 1% | 68% |
| September | 79° | 59° | 1 | 0.2 in | 11.6 h/day | 12.4 h | 3% | 66% |
| October | 75° | 56° | 3 | 1.0 in | 10.1 h/day | 11.1 h | 10% | 64% |
| November | 64° | 48° | 7 | 2.2 in | 8.6 h/day | 10.1 h | 22% | 72% |
| December | 58° | 44° | 10 | 4.4 in | 7.2 h/day | 9.6 h | 32% | 78% |
Fremont month by month
Each card shows the average high and low. The bar places that month between Fremont's coldest night and warmest afternoon.
January
- Rain
- 10 days
- Sunshine
- 7.2 h
- Daylight
- 9.8 h
February
- Rain
- 8 days
- Sunshine
- 8.9 h
- Daylight
- 10.8 h
March
- Rain
- 10 days
- Sunshine
- 9.5 h
- Daylight
- 11.9 h
April
- Rain
- 5 days
- Sunshine
- 11.2 h
- Daylight
- 13.1 h
May
- Rain
- 3 days
- Sunshine
- 12.8 h
- Daylight
- 14.2 h
June
- Rain
- 1 day
- Sunshine
- 13.5 h
- Daylight
- 14.7 h
July
- Rain
- 0 days
- Sunshine
- 13.7 h
- Daylight
- 14.5 h
August
- Rain
- 0 days
- Sunshine
- 12.8 h
- Daylight
- 13.6 h
September
- Rain
- 1 day
- Sunshine
- 11.6 h
- Daylight
- 12.4 h
October
- Rain
- 3 days
- Sunshine
- 10.1 h
- Daylight
- 11.1 h
November
- Rain
- 7 days
- Sunshine
- 8.6 h
- Daylight
- 10.1 h
December
- Rain
- 10 days
- Sunshine
- 7.2 h
- Daylight
- 9.6 h
Looking for warmer alternatives? Browse warm places by month, or compare Fremont's coolest part of the year: December, January, February.
Seasonal weather under Fremont's sunnier skies
Spring (March through May)
Spring in Fremont runs cool rather than cold, with daytime highs averaging 67°F (19°C) and nights around 50°F (10°C); expect showers on roughly 19 days across the season. Daylight is generous - around 11.2 hours of sun a day.
Summer (June through August)
Summer in Fremont is mild and warm, with daytime highs averaging 79°F (26°C) and nights around 58°F (14°C); precipitation is essentially absent. Daylight is generous - around 13.3 hours of sun a day.
Fall (September through November)
Fall in Fremont is pleasantly warm, with daytime highs averaging 73°F (23°C) and nights around 54°F (12°C); rain comes on about 11 days over the three months. Daylight is generous - around 10.1 hours of sun a day.
Winter (December through February)
Through winter, Fremont is crisp but comfortable: 59°F (15°C) by day, 44°F (7°C) after dark, and expect showers on roughly 28 days across the season.
How unusual is Fremont?
- Rain or snow reaches the ground on 59 days a year - fewer wet days than all but 12% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
Fremont temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.