Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Saint James features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (35 °F) and 26 °C (79 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1186 mm (46.7 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.Saint James enjoys an average of 2938 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 54 minutes per day.
The warmest months in Saint James are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (35 - 39 °F) throughout the day. On average each year, Saint James experiences 109 days above 25 °C (77.0 °F) and 71 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 20°C (69°F) | 28°C (83°F) | 26°C (78°F) | 30°C (87°F) | 33°C (92°F) | 35°C (95°F) | 37°C (99°F) | 37°C (99°F) | 35°C (95°F) | 34°C (94°F) | 25°C (77°F) | 19°C (67°F) |
Mean maximum | 17°C (62°F) | 21°C (71°F) | 25°C (77°F) | 28°C (83°F) | 32°C (90°F) | 34°C (94°F) | 36°C (97°F) | 35°C (95°F) | 33°C (92°F) | 30°C (86°F) | 23°C (74°F) | 17°C (62°F) |
Average high | 5°C (42°F) | 8°C (47°F) | 12°C (54°F) | 18°C (65°F) | 23°C (74°F) | 28°C (83°F) | 32°C (89°F) | 30°C (86°F) | 27°C (80°F) | 21°C (70°F) | 12°C (54°F) | 8°C (46°F) |
Daily mean | 2°C (35°F) | 4°C (39°F) | 7°C (45°F) | 13°C (55°F) | 18°C (65°F) | 23°C (74°F) | 26°C (79°F) | 25°C (77°F) | 21°C (71°F) | 16°C (60°F) | 7°C (45°F) | 4°C (39°F) |
Average low | -2°C (29°F) | -0°C (31°F) | 2°C (36°F) | 7°C (46°F) | 13°C (56°F) | 18°C (64°F) | 21°C (70°F) | 20°C (69°F) | 17°C (62°F) | 11°C (52°F) | 3°C (37°F) | -0°C (32°F) |
Mean minimum | -12°C (11°F) | -10°C (14°F) | -7°C (21°F) | -1°C (31°F) | 4°C (39°F) | 12°C (53°F) | 16°C (62°F) | 15°C (60°F) | 9°C (48°F) | 3°C (37°F) | -4°C (24°F) | -9°C (17°F) |
Minimum | -17°C (2°F) | -16°C (4°F) | -11°C (13°F) | -2°C (28°F) | 1°C (34°F) | 9°C (48°F) | 14°C (58°F) | 13°C (56°F) | 4°C (40°F) | 1°C (34°F) | -6°C (22°F) | -12°C (11°F) |
Compare temperature, precipitation, sunshine, UV index in Saint James, Maryland, United States with other places around the world.
Saint James usually has the most precipitation in May, July and September, with an average of 11 rainy days and 121 mm (4.8 inches) of precipitation per month.The driest months in Saint James are January, March and November. On average, 77 mm (3.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 61 (2.4) | 94 (3.7) | 88 (3.5) | 104 (4.1) | 132 (5.2) | 100 (3.9) | 127 (5.0) | 98 (3.9) | 105 (4.1) | 100 (3.9) | 84 (3.3) | 94 (3.7) |
Average precipitation days (≥ 1 mm) | 8 | 11 | 10 | 12 | 14 | 12 | 11 | 13 | 9 | 9 | 7 | 9 |
The sunniest months in Saint James are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Saint James: January, February and December receive an average of 5 hours 22 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 136 | 171 | 249 | 244 | 262 | 312 | 347 | 309 | 271 | 233 | 216 | 180 |
Mean daily daylight hours | 9h 43m | 10h 42m | 11h 58m | 13h 16m | 14h 22m | 14h 54m | 14h 36m | 13h 38m | 12h 23m | 11h 6m | 9h 58m | 9h 24m |
Saint James experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High 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 4. For more detailed information, check out our hourly Saint James UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |