Glen St. Mary, FL
Climate overview — based on NOAA 1991-2020 normals from GLEN ST MARY 1 W, FL US.
Year-round temperatures (°F)
Climate summary
Glen St. Mary has an annual average temperature of 68.8°F with about 53.2 inches of precipitation per year. The warmest month is July (average high 92.8°F), and the coldest is January (average low 40.0°F). June is typically the wettest month (8.42 in) and November the driest (1.93 in).
Best time to visit Glen St. Mary
Full guide →Climate change signal
All-time records →31 of 366 (8.5%) of Glen St. Mary's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1910s | 0 | |
| 1920s | 86 | |
| 1930s | 68 | |
| 1940s | 42 | |
| 1950s | 36 | |
| 1960s | 19 | |
| 1970s | 22 | |
| 1980s | 27 | |
| 1990s | 13 | |
| 2000s | 11 | |
| 2010s | 26 | |
| 2020s | 16 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 67.1°F | 40.0°F | 53.5°F | 3.68 in | — | 8 |
| February | 70.6°F | 43.7°F | 57.1°F | 3.51 in | — | 8 |
| March | 75.9°F | 47.7°F | 61.8°F | 3.71 in | — | 8 |
| April | 81.7°F | 53.3°F | 67.5°F | 3.10 in | — | 6 |
| May | 87.6°F | 60.7°F | 74.2°F | 2.87 in | — | 6 |
| June | 91.1°F | 68.5°F | 79.8°F | 8.42 in | — | 14 |
| July | 92.8°F | 71.2°F | 82.0°F | 6.76 in | — | 14 |
| August | 91.8°F | 71.4°F | 81.6°F | 7.12 in | — | 15 |
| September | 88.8°F | 68.3°F | 78.6°F | 5.84 in | — | 10 |
| October | 82.5°F | 58.7°F | 70.6°F | 3.65 in | — | 7 |
| November | 75.0°F | 49.2°F | 62.1°F | 1.93 in | — | 6 |
| December | 69.4°F | 42.9°F | 56.2°F | 2.63 in | — | 6 |
Climate twins of Glen St. Mary
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).