Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Secretary features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (39 °F) and 27 °C (81 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1236 mm (48.7 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Secretary enjoys an average of 3233 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 48 minutes per day.
The warmest months in Secretary are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (75 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 44 °F) throughout the day. On average each year, Secretary experiences 98 days above 25 °C (77.0 °F) and 30 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 18°C (65°F) |
21°C (69°F) |
26°C (79°F) |
28°C (82°F) |
31°C (88°F) |
31°C (89°F) |
36°C (96°F) |
34°C (93°F) |
32°C (90°F) |
31°C (88°F) |
24°C (75°F) |
19°C (66°F) |
| Mean maximum | 16°C (61°F) |
17°C (63°F) |
21°C (71°F) |
25°C (77°F) |
29°C (85°F) |
31°C (87°F) |
33°C (92°F) |
33°C (91°F) |
30°C (87°F) |
28°C (82°F) |
22°C (72°F) |
17°C (63°F) |
| Average high | 7°C (44°F) |
9°C (48°F) |
12°C (53°F) |
17°C (63°F) |
22°C (72°F) |
27°C (80°F) |
30°C (86°F) |
29°C (84°F) |
26°C (79°F) |
21°C (70°F) |
13°C (56°F) |
9°C (49°F) |
| Daily mean | 4°C (39°F) |
5°C (42°F) |
8°C (47°F) |
14°C (57°F) |
19°C (66°F) |
24°C (75°F) |
27°C (81°F) |
26°C (79°F) |
23°C (74°F) |
18°C (65°F) |
10°C (51°F) |
6°C (44°F) |
| Average low | 1°C (34°F) |
2°C (37°F) |
5°C (42°F) |
11°C (51°F) |
16°C (61°F) |
21°C (70°F) |
24°C (76°F) |
24°C (75°F) |
20°C (69°F) |
15°C (60°F) |
7°C (45°F) |
3°C (38°F) |
| Mean minimum | -8°C (18°F) |
-6°C (22°F) |
-2°C (28°F) |
4°C (39°F) |
9°C (48°F) |
16°C (61°F) |
20°C (68°F) |
19°C (67°F) |
15°C (59°F) |
8°C (47°F) |
-1°C (31°F) |
-4°C (26°F) |
| Minimum | -13°C (9°F) |
-11°C (12°F) |
-5°C (24°F) |
2°C (35°F) |
5°C (42°F) |
13°C (55°F) |
18°C (65°F) |
18°C (64°F) |
12°C (53°F) |
6°C (42°F) |
-4°C (26°F) |
-8°C (18°F) |
Compare temperature, precipitation, sunshine, UV index in Secretary, Maryland, United States with other places around the world.
Secretary usually has the most precipitation in July, August and October, with an average of 11 rainy days and 134 mm (5.3 inches) of precipitation per month. The driest months in Secretary are January, April and November. On average, 80 mm (3.1 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 68 (2.7) | 101 (4.0) | 88 (3.5) | 86 (3.4) | 115 (4.5) | 90 (3.5) | 136 (5.4) | 148 (5.8) | 99 (3.9) | 118 (4.7) | 86 (3.4) | 100 (3.9) |
| Average precipitation days (≥ 1 mm) | 8 | 12 | 10 | 11 | 10 | 12 | 11 | 14 | 9 | 8 | 8 | 9 |
The sunniest months in Secretary are June, July and August, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Secretary: January, February and December receive an average of 5 hours 54 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 159 | 185 | 269 | 286 | 316 | 344 | 364 | 334 | 291 | 260 | 228 | 191 |
| Mean daily daylight hours | 9h 48m | 10h 45m | 11h 58m | 13h 13m | 14h 17m | 14h 48m | 14h 31m | 13h 35m | 12h 23m | 11h 8m | 10h 3m | 9h 30m |
Secretary experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February 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 Secretary UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 10 | 8 | 7 | 5 | 3 |
Discover in-depth weather details for every month in Secretary. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Secretary's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.