Glendale has mild winters and warm summers, with plenty of rain
A typical July afternoon reaches 90°, a January night drops to 31°, and snow is almost unheard of.
A year in Glendale at a glance
Each month’s typical high and low, and what it brings.
What stands out about Glendale’s climate
Read from where Glendale sits among South Carolina’s towns. The page puts what stands out first.
About 206 frost-free days a year
In half of years the last 32° night comes by April 8 and the first by November 1.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Glendale’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
206 frost-free days. The last frost comes by Apr 8 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 1.
About 0.8" in a normal winter.
Months averaging under 55° run from November through March. Heating is 64% of the year’s heating-and-cooling load.
About 57 days a year reach 90°, and July afternoons average 90°.
The nicest months are March, April, May, September and October. 1.5 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Glendale feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Rain and snow in Glendale
March is the wettest month and October the driest. Rain or snow falls on about 99 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
About 0.8" in a normal year, so most winters see none.
Warmer than it used to be
The last 30 years in Glendale averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.0°).
A smaller shift than in 72% of U.S. towns.
Change by month
How Glendale compares
Against every U.S. town on TownTapestry, each counted once, with its place in South Carolina.
Glendale 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 | 53° | 31° | 4.2" | 0.4" | 9 | 0 | 35° – 48° |
| February | 57° | 34° | 3.6" | 0 | 8 | 0 | 38° – 54° |
| March | 64° | 40° | 4.6" | 0.2" | 10 | 0 | 46° – 61° |
| April | 73° | 48° | 4.2" | 0 | 8 | 0 | 56° – 65° |
| May | 80° | 57° | 3.8" | 0 | 8 | 0 | 64° – 73° |
| June | 87° | 65° | 4.2" | 0 | 9 | 0 | 72° – 80° |
| July | 90° | 69° | 4.1" | 0 | 9 | 0 | 76° – 82° |
| August | 88° | 68° | 4.5" | 0 | 8 | 0 | 75° – 83° |
| September | 83° | 61° | 3.8" | 0 | 7 | 0 | 68° – 78° |
| October | 73° | 50° | 3.6" | 0 | 6 | 0 | 57° – 66° |
| November | 63° | 39° | 3.7" | 0 | 7 | 0 | 46° – 56° |
| December | 55° | 34° | 4.3" | 0.2" | 9 | 0 | 35° – 54° |
| Year | 72° | 49° | 48.7" | 0.8" | 99 | 0 |
Heating and cooling a home in Glendale
64% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 35° to 54°. July is the most reliable, staying within 6°.
Common questions about Glendale’s climate
What is the coldest month in Glendale?
January, with a typical high of 53° and a low of 31°.
What is the hottest month in Glendale?
July, with a typical high of 90° and a low of 69°. About 57 days a year reach 90°.
How much snow does Glendale get?
Almost none. A normal year brings 0.8 inches.
When is the first frost in Glendale?
In half of years the first 32° night comes by November 1, and the last spring frost by April 8.
What is the rainiest month in Glendale?
March, with 4.6 inches of rain and melted snow. The year totals 49 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Glendale.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Glendale itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Spartanburg 3 Sse, SC (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.