East Hemet reaches 100° on about 41 days a year, more than 98% of U.S. towns
Deep winter brings January lows near 38°. By precipitation alone, it ranks drier than 96% of U.S. towns. Decade by decade the climate has edged up, 2.1° above 1901–2000. The outdoor season runs from March to May and October to November, with highs of 71–83°.
A year in East Hemet at a glance
Each month’s typical high and low, and what it brings.
What stands out about East Hemet’s climate
Compared with towns across the U.S., with East Hemet’s place in California beside it.
What a year in East Hemet feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 315 frost-free days a year
In half of years the last 32° night comes by January 31 and the first by December 10. Day counts come from NOAA’s station at Hemet, CA, 2.7 miles from the town’s center, at about the same height; frost dates and degree days from San Jacinto, CA, 5 miles away.
The 2023 USDA map puts East Hemet’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 28°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 12 inches of rain a year
February is the wettest month and June the driest. Rain falls on about 35 days a year. Snow is rare: about 0.0" in a normal year at San Jacinto, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in East Hemet
50% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at San Jacinto, CA.
Living with East Hemet’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
315 frost-free days in zone 9b. The last frost comes by Jan 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 10.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November.
Parks & trails →Of the yearly building losses FEMA expects in East Hemet from natural hazards, earthquakes are the largest share (54%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →East Hemet and its neighbors
Every town next door is within a degree of East Hemet in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like East Hemet’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| East Hemet, CA | 38° | 97° | 12" | 0.0" |
| Green Valley, AZ | 36° | 97° | 13" | 0.1" |
| Del Rio, TX | 40° | 98° | 19" | 0.2" |
| Anthony, NM | 31° | 96° | 9" | 0.0" |
| Ivins, UT | 32° | 100° | 11" | 1.2" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in East Hemet averaged 2.1° warmer than the 1900s. The biggest change is in January (+3.1°).
A bigger shift than in 93% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How East Hemet compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with East Hemet’s place among California’s.
East Hemet weather by month
Highs, lows and precipitation from NOAA’s grid at East Hemet’s center; snow, wet days and snow on the ground from San Jacinto, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 66° | 38° | 2.6" | 0.0" | 6 | 0 | 48° – 59° |
| February | 67° | 39° | 3.0" | 0.0" | 6 | 0 | 47° – 61° |
| March | 71° | 43° | 1.9" | 0.0" | 5 | 0 | 49° – 64° |
| April | 76° | 45° | 0.8" | 0.0" | 3 | 0 | 54° – 65° |
| May | 81° | 50° | 0.4" | 0.0" | 2 | 0 | 58° – 72° |
| June | 91° | 55° | 0.1" | 0.0" | 0 | 0 | 66° – 78° |
| July | 97° | 61° | 0.1" | 0.0" | 1 | 0 | 73° – 84° |
| August | 98° | 62° | 0.1" | 0.0" | 1 | 0 | 77° – 83° |
| September | 93° | 58° | 0.3" | 0.0" | 1 | 0 | 71° – 80° |
| October | 83° | 50° | 0.5" | 0.0" | 2 | 0 | 62° – 72° |
| November | 73° | 42° | 0.9" | 0.0" | 3 | 0 | 50° – 63° |
| December | 65° | 37° | 1.8" | 0.0" | 5 | 0 | 46° – 58° |
| Year | 80° | 48° | 12.2" | 0.0" | 35 | 0 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 49° to 64°. August is the most reliable, staying within 7°.
Where East Hemet’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at East Hemet’s center.
- Snow: San Jacinto, CA.
- Frost dates, heating and cooling: San Jacinto, CA, 5 miles away.
- Freezing nights, 90° and 100° days: Hemet, CA, 2.7 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about East Hemet’s climate
What is the weather like in East Hemet?
A typical July afternoon reaches 97°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in East Hemet in winter?
December nights average 37°. About 13 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 46°.
How much snow does East Hemet get?
About 0.0 inches in a normal winter at San Jacinto, CA, so most winters see none.
How hot does it get in East Hemet?
July, with a typical high of 97° and a low of 61°. About 121 days a year reach 90° and 41 reach 100° (San Jacinto, CA).
When is the first and last frost in East Hemet?
In half of years the last spring frost (32°) comes by January 31 and the first fall frost by December 10, about 315 frost-free days, at San Jacinto, CA.
What growing zone is East Hemet in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 28°.
What is the best time of year to visit East Hemet?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is East Hemet getting warmer?
Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 93% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in East Hemet.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.