Greeley Hill, CA climate
Greeley Hill has mild winters and warm summers. A typical July afternoon reaches 89°, a January night drops to 31°, and about 8 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Greeley Hill feels like
Winter
Spring
Summer
Fall
Greeley Hill 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 53° | 31° | 6.9" | 1.8" | 9 | 38° – 49° |
| February | 54° | 32° | 6.3" | 1.6" | 9 | 36° – 50° |
| March | 58° | 35° | 6.3" | 1.7" | 8 | 38° – 53° |
| April | 63° | 37° | 3.3" | 0.5" | 6 | 44° – 55° |
| May | 71° | 43° | 1.6" | 0 | 5 | 48° – 65° |
| June | 82° | 49° | 0.4" | 0 | 2 | 59° – 70° |
| July | 89° | 55° | 0.1" | 0 | 1 | 68° – 76° |
| August | 89° | 55° | 0.0" | 0 | 1 | 68° – 76° |
| September | 84° | 52° | 0.2" | 0 | 1 | 63° – 72° |
| October | 73° | 44° | 2.0" | 0 | 4 | 54° – 65° |
| November | 60° | 35° | 3.7" | 0.9" | 7 | 38° – 54° |
| December | 52° | 30° | 6.7" | 1.7" | 9 | 37° – 47° |
| Year | 69° | 41° | 37.5" | 8.2" | 60 |
“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 Greeley Hill
Greeley Hill gets 37 inches of rain and melted snow a year. January is the wettest month and August the driest. Rain or snow falls on about 60 days a year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 22 and the first one by November 2. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in Greeley Hill
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Greeley Hill, 84% of that work is heating and 16% is cooling, so the furnace matters far more than the air conditioner.
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 Greeley Hill 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 Greeley Hill averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.1°). The shift is smaller than in 60% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Greeley Hill’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 48° to 65°. August is the most reliable, staying within 8°.
Common questions about Greeley Hill’s climate
What is the coldest month in Greeley Hill?
December, with a typical high of 52° and a low of 30°.
What is the hottest month in Greeley Hill?
July, with a typical high of 89° and a low of 55°. About 59 days a year reach 90°.
How much snow does Greeley Hill get?
About 8 inches in a normal winter, most of it in January.
When is the first frost in Greeley Hill?
In half of years the first 32° night comes by November 2, and the last spring frost by April 22.
What is the rainiest month in Greeley Hill?
January, with 6.9 inches of rain and melted snow. The year totals 37 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Greeley Hill itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Groveland Rs, CA (5 mi, snow) and Groveland 2, CA (8 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.