Climate Insights for Campbell

Hayes County, California, United States

Hottest
Agosto
29°C peak
Coldest
Dicembre
5°C low
Wettest
Gennaio
133mm rain
Best to Visit
Maggio, Giugno, Luglio
Mild temps & low rain

Climate Overview

The climate in Campbell is temperate. The average annual temperature is 15°C and approximately 567mm of precipitation falls per year. Gennaio is the wettest month, receiving around 133mm of rainfall. Campbell is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Agosto, Luglio, Settembre. The coldest months are Dicembre, Febbraio, Gennaio, when temperatures can drop to 5°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 15° Average: 9° Min: 6° Feb Max: 16° Average: 10° Min: 5° Mar Max: 17° Average: 11° Min: 7° Apr Max: 20° Average: 13° Min: 8° May Max: 22° Average: 15° Min: 10° Jun Max: 27° Average: 19° Min: 13° Jul Max: 29° Average: 21° Min: 14° Aug Max: 29° Average: 21° Min: 15° Sep Max: 28° Average: 20° Min: 14° Oct Max: 25° Average: 17° Min: 11° Nov Max: 18° Average: 12° Min: 7° Dec Max: 14° Average: 9° Min: 5°
Max
Average
Min

Temperatures in Campbell vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is Agosto, when average highs reach 29°C and the mean temperature sits around 21°C. Dicembre is the coolest month, with minimum temperatures around 5°C and an average of 9°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 133mm Snow: 0mm Feb Precipitation: 97mm Snow: 1mm Mar Precipitation: 103mm Snow: 0mm Apr Precipitation: 31mm Snow: 0mm May Precipitation: 18mm Snow: 0mm Jun Precipitation: 1mm Snow: 0mm Jul Precipitation: 2mm Snow: 0mm Aug Precipitation: 0mm Snow: 0mm Sep Precipitation: 4mm Snow: 0mm Oct Precipitation: 26mm Snow: 0mm Nov Precipitation: 47mm Snow: 0mm Dec Precipitation: 103mm Snow: 0mm
Precipitation
Snow

Campbell is a relatively dry area, receiving approximately 567mm of precipitation annually, which averages out to around 47mm per month. The wettest month is January, averaging 133mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 132mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 11km/h Feb Wind Speed: 13km/h Mar Wind Speed: 13km/h Apr Wind Speed: 13km/h May Wind Speed: 12km/h Jun Wind Speed: 12km/h Jul Wind Speed: 11km/h Aug Wind Speed: 10km/h Sep Wind Speed: 11km/h Oct Wind Speed: 10km/h Nov Wind Speed: 10km/h Dec Wind Speed: 11km/h
Wind Speed

Campbell is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Summer

It is currently spring in Campbell, which began on March 20, 2026. Campbell is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Agosto at around 29°C, while the coldest stretch bottoms out in Dicembre near 5°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

Spring

Temperatures range from 7 to 22°C. Precipitation is moderate at around 152mm for the season, averaging 51mm per month. Winds are generally light, averaging 13km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 13 to 29°C. Precipitation is minimal, with only around 4mm for the entire season. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 7 to 28°C. Rainfall is relatively light, with around 78mm over the season and a monthly average of 26mm. Winds are generally light, averaging 10km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 333mm across the season with a monthly average of 111mm. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb 10°
Mar 11°
Apr 13°
May 15°
Jun 19°
Jul 21°
Aug 21°
Sep 20°
Oct 17°
Nov 12°
Dec

The best time to visit Campbell is during Maggio, Giugno, Luglio, Agosto, Settembre and Ottobre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 9mm per month. By contrast, Dicembre can be quite cold with temperatures dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Campbell based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
6 °C
15 °C
11 km/h
133 mm
0 cm
Feb
5 °C
16 °C
13 km/h
97 mm
1 cm
Mar Current
7 °C
17 °C
13 km/h
103 mm
0 cm
Apr
8 °C
20 °C
13 km/h
31 mm
0 cm
May
10 °C
22 °C
12 km/h
18 mm
0 cm
Jun
13 °C
27 °C
12 km/h
1 mm
0 cm
Jul
14 °C
29 °C
11 km/h
2 mm
0 cm
Aug
15 °C
29 °C
10 km/h
0 mm
0 cm
Sep
14 °C
28 °C
11 km/h
4 mm
0 cm
Oct
11 °C
25 °C
10 km/h
26 mm
0 cm
Nov
7 °C
18 °C
10 km/h
47 mm
0 cm
Dec
5 °C
14 °C
11 km/h
103 mm
0 cm
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Metric (°C, km/h)