Delano, CA climate
Delano has mild winters and hot summers, with very little rain. A typical July afternoon reaches 98°, a January night drops to 39°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Delano feels like
Winter
Spring
Summer
Fall
Delano weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 57° | 39° | 1.4" | 0.2" | 7 | 0 | 42° – 53° |
| February | 64° | 42° | 1.3" | 0 | 6 | 0 | 49° – 58° |
| March | 70° | 46° | 1.3" | 0 | 6 | 0 | 51° – 63° |
| April | 76° | 49° | 0.6" | 0 | 3 | 0 | 58° – 67° |
| May | 85° | 56° | 0.3" | 0 | 1 | 0 | 62° – 78° |
| June | 93° | 62° | 0.1" | 0 | 0 | 0 | 72° – 81° |
| July | 98° | 68° | 0.0" | 0 | 0 | 0 | 79° – 87° |
| August | 97° | 66° | 0.0" | 0 | 0 | 0 | 78° – 85° |
| September | 92° | 62° | 0.0" | 0 | 1 | 0 | 72° – 80° |
| October | 81° | 53° | 0.4" | 0 | 2 | 0 | 62° – 71° |
| November | 67° | 43° | 0.6" | 0 | 4 | 0 | 48° – 60° |
| December | 58° | 38° | 1.2" | 0 | 6 | 0 | 44° – 53° |
| Year | 78° | 52° | 7.1" | 0.2" | 36 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Delano
Delano gets 7 inches of rain and melted snow a year. January is the wettest month and August the driest. Rain or snow falls on about 36 days a year.
About 309 frost-free days a year
In half of years the last 32° night comes by January 31 and the first one by December 8. That leaves about 309 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Delano
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Delano, 53% of that work is heating and 47% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Delano compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Delano averaged 1.8° warmer than the 1900s. The biggest change is in January (+2.5°). The shift is larger than in 88% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Delano’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. May swings the most: between 1991 and 2020 its average temperature ranged from 62° to 78°. August is the most reliable, staying within 8°.
Common questions about Delano’s climate
What is the coldest month in Delano?
December, with a typical high of 58° and a low of 38°.
What is the hottest month in Delano?
July, with a typical high of 98° and a low of 68°. About 116 days a year reach 90°.
How much snow does Delano get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Delano?
In half of years the first 32° night comes by December 8, and the last spring frost by January 31.
What is the rainiest month in Delano?
January, with 1.4 inches of rain and melted snow. The year totals 7 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Delano itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Delano, CA (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.