Fremont climate

Name: Fremont
Address: US

Fremont is warmest in August, with average highs of 28 °C, and coldest in January, when nights average 6.2 °C. February is the wettest month (97 mm) and July the driest (0.9 mm). Figures are 1991–2020 climate normals.

Across a full year Fremont averages 487 mm of rain, 105 days above 25 °C and 0 days below freezing.

United States · 17 m elevation · population 232,206 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 28 °C
Coldest month January 6.2 °C
Driest month July 1 mm
Wettest month February 97 mm
Least cloud September 26 % cloud
Hottest on record July 43 °C
Coldest on record January -2.3 °C

What to expectFremont through the year

Fremont has a clear annual cycle: average daily highs run from 15 °C in January to 28 °C in August, a swing of 10 °C in mean temperature across the year.

Counted across a normal year, 105 days a year reach 25 °C, 36 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 43 °C, in July.

Rain is strongly seasonal. February averages 97 mm against 1 mm in July — 105 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	14.8 °C	92 mm	60 %
February	16.0 °C	97 mm	59 %
March	17.6 °C	76 mm	58 %
April	19.5 °C	43 mm	50 %
May	22.1 °C	19 mm	45 %
June	25.6 °C	4 mm	32 %
July	27.6 °C	1 mm	27 %
August	27.8 °C	1 mm	28 %
September	27.6 °C	2 mm	26 %
October	24.0 °C	23 mm	34 %
November	18.1 °C	45 mm	50 %
December	14.3 °C	84 mm	57 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	14.8 °C	6.2 °C	9.7 °C	24.0 °C	-2.3 °C	0	0
February	16.0 °C	7.2 °C	10.8 °C	25.6 °C	0.7 °C	0	0
March	17.6 °C	8.6 °C	12.3 °C	29.2 °C	1.5 °C	1	0
April	19.5 °C	9.6 °C	13.5 °C	35.4 °C	2.4 °C	4	1
May	22.1 °C	11.3 °C	15.7 °C	37.6 °C	4.6 °C	7	2
June	25.6 °C	13.1 °C	18.2 °C	41.8 °C	6.1 °C	15	6
July	27.6 °C	14.9 °C	20.0 °C	42.5 °C	8.5 °C	22	8
August	27.8 °C	15.2 °C	20.1 °C	40.7 °C	10.0 °C	23	8
September	27.6 °C	15.5 °C	20.1 °C	41.4 °C	9.3 °C	20	9
October	24.0 °C	13.5 °C	17.6 °C	38.3 °C	5.2 °C	12	3
November	18.1 °C	9.8 °C	13.1 °C	29.4 °C	2.8 °C	1	0
December	14.3 °C	6.8 °C	9.9 °C	21.8 °C	-1.6 °C	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	92 mm	9	9.9 h/day	60 %	81 %	12 km/h
February	97 mm	9	11 h/day	59 %	79 %	14 km/h
March	76 mm	9	12 h/day	58 %	77 %	14 km/h
April	43 mm	6	13 h/day	50 %	73 %	16 km/h
May	19 mm	4	14 h/day	45 %	70 %	16 km/h
June	4 mm	1	15 h/day	32 %	66 %	15 km/h
July	1 mm	0	15 h/day	27 %	66 %	13 km/h
August	1 mm	0	14 h/day	28 %	68 %	13 km/h
September	2 mm	0	12 h/day	26 %	67 %	13 km/h
October	23 mm	3	11 h/day	34 %	68 %	12 km/h
November	45 mm	5	10 h/day	50 %	76 %	12 km/h
December	84 mm	9	9.6 h/day	57 %	80 %	12 km/h

How Fremont compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Fremont	28 °C	6.2 °C	487 mm	105
Sunnyvale · United States	28 °C	6.3 °C	620 mm	105
San Jose · United States	29 °C	6.4 °C	627 mm	122
Oakland · United States	26 °C	6.0 °C	498 mm	87

Where Fremont ranks

Ranking	Position	Value
Places with the best weather in North America in October	5thof 50	96/100
Places with the best weather in North America in May	7thof 50	95/100
The driest places in North America in September	7thof 50	2.2 mm
Places with the best weather in North America in June	13thof 50	93/100
The driest places in North America in July	13thof 50	0.9 mm
Places with the best weather in North America in July	19thof 50	88/100

Planning a trip? See the best time to visit Fremont.

QuestionsCommon questions about Fremont’s climate

When is the best time to visit Fremont?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Fremont get?

In August, the warmest month, daily highs average 28 °C. About 36 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 6.2 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Fremont?

February, averaging 97 mm over 9 days with rain. The driest month is July with 1 mm. The year as a whole averages 487 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Fremont rather than what any particular week will bring. Individual years can differ substantially from the normal.

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: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. 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.