Morrisville, NC
Climate overview — based on NOAA 1991-2020 normals from RALEIGH DURHAM INTL AP, NC US.
Year-round temperatures (°F)
Climate summary
Morrisville has an annual average temperature of 61.2°F with about 46.1 inches of precipitation per year and 5.2 inches of snow. The warmest month is July (average high 90.8°F), and the coldest is January (average low 31.8°F). September is typically the wettest month (5.15 in) and February the driest (2.78 in). Snow typically falls from December through March.
Best time to visit Morrisville
Full guide →Climate change signal
All-time records →67 of 366 (18.3%) of Morrisville'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.
| 1940s | 27 | |
| 1950s | 69 | |
| 1960s | 22 | |
| 1970s | 27 | |
| 1980s | 27 | |
| 1990s | 36 | |
| 2000s | 64 | |
| 2010s | 51 | |
| 2020s | 43 |
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 | 51.9°F | 31.8°F | 41.9°F | 3.43 in | 2.6 in | 10 |
| February | 55.8°F | 34.2°F | 45.0°F | 2.78 in | 1.4 in | 9 |
| March | 63.3°F | 40.3°F | 51.8°F | 4.10 in | 0.3 in | 11 |
| April | 72.7°F | 48.9°F | 60.8°F | 3.53 in | — | 10 |
| May | 80.0°F | 57.7°F | 68.8°F | 3.38 in | — | 10 |
| June | 87.4°F | 66.0°F | 76.7°F | 3.89 in | — | 11 |
| July | 90.8°F | 70.2°F | 80.5°F | 5.02 in | — | 12 |
| August | 88.7°F | 68.9°F | 78.8°F | 4.71 in | — | 11 |
| September | 82.5°F | 62.7°F | 72.6°F | 5.15 in | — | 9 |
| October | 73.0°F | 50.3°F | 61.7°F | 3.37 in | — | 8 |
| November | 63.0°F | 40.0°F | 51.5°F | 3.32 in | 0.1 in | 8 |
| December | 54.7°F | 34.4°F | 44.6°F | 3.39 in | 0.8 in | 10 |
Climate twins of Morrisville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).