Cartago, CA climate
Cartago has mild winters and hot summers, with very little rain. A typical July afternoon reaches 99°, a January night drops to 32°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Cartago feels like
Winter
Spring
Summer
Fall
Cartago weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 57° | 32° | 1.1" | 40° – 52° |
| February | 60° | 34° | 1.1" | 38° – 54° |
| March | 67° | 39° | 0.6" | 46° – 60° |
| April | 73° | 44° | 0.2" | 52° – 63° |
| May | 82° | 51° | 0.1" | 57° – 73° |
| June | 93° | 60° | 0.1" | 69° – 80° |
| July | 99° | 66° | 0.2" | 76° – 86° |
| August | 98° | 64° | 0.1" | 77° – 85° |
| September | 91° | 57° | 0.1" | 70° – 78° |
| October | 79° | 47° | 0.2" | 59° – 69° |
| November | 65° | 37° | 0.3" | 43° – 58° |
| December | 56° | 31° | 0.8" | 39° – 49° |
| Year | 76° | 47° | 5.0" |
“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 Cartago
Cartago gets 5 inches of rain and melted snow a year. February is the wettest month and June the driest.
How Cartago 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 Cartago averaged 1.5° warmer than the 1900s. The biggest change is in January (+2.4°). The shift is larger than in 73% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Cartago’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 57° to 73°. August is the most reliable, staying within 8°.
Common questions about Cartago’s climate
What is the coldest month in Cartago?
December, with a typical high of 56° and a low of 31°.
What is the hottest month in Cartago?
July, with a typical high of 99° and a low of 66°.
What is the rainiest month in Cartago?
February, with 1.1 inches of rain and melted snow. The year totals 5 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Cartago itself (about a 3-mile square). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.