Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Norfolk features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1302 mm (51.2 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Norfolk enjoys an average of 3186 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.
The warmest months in Norfolk are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (43 - 47 °F) throughout the day. On average each year, Norfolk experiences 128 days above 25 °C (77.0 °F) and 31 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 23°C (74°F) | 26°C (78°F) | 30°C (85°F) | 31°C (88°F) | 35°C (96°F) | 36°C (97°F) | 37°C (99°F) | 36°C (97°F) | 35°C (95°F) | 34°C (93°F) | 28°C (82°F) | 23°C (74°F) |
Mean maximum | 21°C (71°F) | 23°C (74°F) | 27°C (80°F) | 29°C (84°F) | 32°C (91°F) | 34°C (93°F) | 35°C (95°F) | 34°C (94°F) | 33°C (91°F) | 30°C (87°F) | 26°C (79°F) | 22°C (72°F) |
Average high | 10°C (51°F) | 13°C (56°F) | 15°C (60°F) | 21°C (70°F) | 25°C (77°F) | 29°C (84°F) | 31°C (88°F) | 30°C (87°F) | 28°C (82°F) | 23°C (74°F) | 16°C (62°F) | 13°C (55°F) |
Daily mean | 6°C (43°F) | 8°C (47°F) | 10°C (51°F) | 16°C (60°F) | 20°C (69°F) | 24°C (76°F) | 27°C (81°F) | 26°C (79°F) | 24°C (75°F) | 19°C (66°F) | 11°C (53°F) | 8°C (47°F) |
Average low | 2°C (35°F) | 4°C (39°F) | 6°C (43°F) | 11°C (52°F) | 16°C (61°F) | 20°C (69°F) | 23°C (74°F) | 23°C (73°F) | 20°C (69°F) | 15°C (59°F) | 7°C (45°F) | 4°C (39°F) |
Mean minimum | -8°C (18°F) | -5°C (23°F) | -3°C (26°F) | 3°C (37°F) | 7°C (46°F) | 15°C (60°F) | 18°C (65°F) | 18°C (65°F) | 14°C (57°F) | 6°C (43°F) | -1°C (31°F) | -4°C (25°F) |
Minimum | -15°C (5°F) | -7°C (20°F) | -5°C (24°F) | 1°C (34°F) | 5°C (41°F) | 12°C (54°F) | 15°C (59°F) | 17°C (63°F) | 12°C (54°F) | 4°C (39°F) | -2°C (29°F) | -6°C (21°F) |
Compare temperature, precipitation, sunshine, UV index in Norfolk, Virginia, United States with other places around the world.
Norfolk usually has the most precipitation in July, August and September, with an average of 15 rainy days and 146 mm (5.7 inches) of precipitation per month.The driest months in Norfolk are March, November and December. On average, 82 mm (3.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 90 (3.5) | 99 (3.9) | 79 (3.1) | 97 (3.8) | 121 (4.7) | 121 (4.8) | 142 (5.6) | 169 (6.6) | 127 (5.0) | 91 (3.6) | 78 (3.1) | 89 (3.5) |
Average precipitation days (≥ 1 mm) | 8 | 12 | 10 | 11 | 11 | 13 | 15 | 19 | 13 | 9 | 9 | 9 |
The sunniest months in Norfolk are June, July and August, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Norfolk: January, February and December receive an average of 6 hours 4 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 166 | 185 | 259 | 289 | 311 | 325 | 347 | 327 | 287 | 259 | 227 | 200 |
Mean daily daylight hours | 9h 56m | 10h 50m | 11h 59m | 13h 9m | 14h 8m | 14h 37m | 14h 21m | 13h 29m | 12h 21m | 11h 11m | 10h 10m | 9h 40m |
Norfolk experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Norfolk UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 10 | 9 | 8 | 5 | 3 |