Heat Advisory
* WHAT...High temperatures up to 106 to 108 degrees and multiple days
of Major Heat Risk.
* WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella,
and the Kern River Valley.
* WHEN...Until 8 PM PDT Sunday.
* IMPACTS...Hot temperatures and limited overnight relief ma…
Tomorrow in Fresno looks
sunny, with a high of 111°
and an overnight low of 80°.
Rain is unlikely (1% chance).
Winds top out near 12 mph,
and the UV index reaches 8 (very high).
Weather in Fresno is shaped by its semi-arid climate - expect big day-to-night temperature swings and modest rainfall. July afternoons typically reach 103°F (40°C), while December highs hover near 57°F (14°C). Annual precipitation averages 15.3 inches (388 mm) over about 42 rainy days.
Fresno weather: quick facts
Hottest month: July - highs near 103°F (40°C)
Coldest month: December - highs near 57°F (14°C)
Record high: 118°F (48°C) · Record low: 26°F (-3°C) (2015–2024)
Wettest month: March (8 rainy days) · Sunniest: July (13.9 h sun/day)
Climate type:semi-arid - big day-to-night temperature swings and modest rainfall
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 103°F (40°C) and overnight lows stay near 73°F (23°C). The coolest month is December, with typical highs of 57°F (14°C) and lows around 40°F (4°C). Based on 2015–2024 weather data, temperatures have reached as high as 118°F (48°C) and dropped as low as 26°F (-3°C).
Rain, sun and snow
March is usually the wettest month. It brings about 3.3 inches (84 mm) of rain over 8 days, while July is the driest. July brings the most sunshine, averaging 13.9 hours of sun a day. Snowfall is rare but not unheard of.
Season by season
Spring (March through May)
Spring in Fresno is mild and warm, with daytime highs averaging 76°F (24°C) and nights around 52°F (11°C); rain falls on about 14 days over the three months.
Summer (June through August)
Summer in Fresno is intensely hot, with daytime highs averaging 100°F (38°C) and nights around 71°F (21°C); precipitation is infrequent.
Fall (September through November)
Fall in Fresno runs hot, with daytime highs averaging 81°F (27°C) and nights around 55°F (13°C); precipitation is infrequent.
Winter (December through February)
Winter in Fresno is mild, with daytime highs averaging 60°F (15°C) and nights around 40°F (5°C); expect showers on roughly 21 days across the season.
Average temperatures in Fresno by month
Monthly averages for Fresno based on 2015–2024 weather data.
July is the hottest month in Fresno, with average highs of 103°F (40°C) and overnight lows near 73°F (23°C). In the past decade the temperature has peaked at 118°F (48°C).
What is the coldest month in Fresno?
December is the coldest month, with highs averaging 57°F (14°C) and lows around 40°F (4°C). The lowest reading in recent years was 26°F (-3°C).
What is the rainiest month in Fresno?
March is typically the wettest month, averaging 3.3 inches (84 mm) of precipitation across about 8 days. July is usually the driest.
Does it snow in Fresno?
Snow is essentially absent in Fresno - the 2015–2024 record shows no regular measurable snowfall.
What is the best time to visit Fresno?
The best time to visit Fresno is generally October to November and February, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 72°F (22°C).
How sunny is Fresno?
Fresno averages 10.8 hours of sunshine per day across the year. July is the sunniest month at about 13.9 hours of sun a day.
Is Fresno humid?
Relative humidity in Fresno averages about 51% over the year, which feels dry. The most comfortable months tend to fall in the drier part of the year.