Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Castleton-on-Hudson features a humid continental climate (Dfa). Temperatures typically range between -2 °C (28 °F) and 23 °C (74 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1229 mm (48.4 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Castleton-on-Hudson enjoys an average of 2848 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.
The warmest months in Castleton-on-Hudson are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 32 °F) throughout the day. On average each year, Castleton-on-Hudson experiences 74 days above 25 °C (77.0 °F) and 106 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 17°C (64°F) |
22°C (73°F) |
24°C (76°F) |
29°C (85°F) |
34°C (93°F) |
34°C (94°F) |
36°C (96°F) |
34°C (94°F) |
32°C (90°F) |
27°C (82°F) |
24°C (75°F) |
16°C (62°F) |
| Mean maximum | 12°C (54°F) |
16°C (62°F) |
20°C (68°F) |
24°C (75°F) |
31°C (89°F) |
33°C (91°F) |
34°C (93°F) |
32°C (91°F) |
31°C (87°F) |
26°C (79°F) |
20°C (69°F) |
14°C (57°F) |
| Average high | 1°C (35°F) |
3°C (38°F) |
7°C (45°F) |
14°C (57°F) |
20°C (69°F) |
25°C (78°F) |
28°C (83°F) |
27°C (81°F) |
24°C (75°F) |
17°C (63°F) |
9°C (48°F) |
3°C (38°F) |
| Daily mean | -2°C (28°F) |
-1°C (30°F) |
2°C (36°F) |
9°C (48°F) |
15°C (60°F) |
20°C (68°F) |
23°C (74°F) |
22°C (72°F) |
18°C (65°F) |
12°C (55°F) |
4°C (40°F) |
0°C (32°F) |
| Average low | -6°C (21°F) |
-5°C (23°F) |
-2°C (28°F) |
4°C (40°F) |
10°C (50°F) |
15°C (59°F) |
18°C (65°F) |
18°C (64°F) |
13°C (57°F) |
8°C (47°F) |
0°C (33°F) |
-4°C (26°F) |
| Mean minimum | -18°C (0°F) |
-18°C (1°F) |
-13°C (9°F) |
-3°C (28°F) |
3°C (38°F) |
10°C (50°F) |
13°C (56°F) |
11°C (52°F) |
5°C (41°F) |
-0°C (32°F) |
-9°C (16°F) |
-15°C (5°F) |
| Minimum | -24°C (-11°F) |
-25°C (-12°F) |
-16°C (3°F) |
-4°C (25°F) |
0°C (33°F) |
6°C (43°F) |
11°C (53°F) |
9°C (48°F) |
1°C (34°F) |
-2°C (28°F) |
-16°C (4°F) |
-21°C (-5°F) |
Compare temperature, precipitation, sunshine, UV index in Castleton-on-Hudson, New York, United States with other places around the world.
Castleton-on-Hudson usually has the most precipitation in April, July and October, with an average of 12 rainy days and 133 mm (5.2 inches) of precipitation per month. The driest months in Castleton-on-Hudson are January, February and March. On average, 78 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) | 69 (2.7) | 88 (3.5) | 76 (3.0) | 125 (4.9) | 100 (3.9) | 92 (3.6) | 136 (5.3) | 108 (4.3) | 105 (4.1) | 137 (5.4) | 96 (3.8) | 95 (3.7) |
| Average precipitation days (≥ 1 mm) | 8 | 13 | 10 | 13 | 13 | 11 | 14 | 12 | 8 | 11 | 11 | 11 |
The sunniest months in Castleton-on-Hudson are June, July and August, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Castleton-on-Hudson: January, February and December receive an average of 4 hours 57 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 127 | 171 | 242 | 232 | 269 | 321 | 331 | 324 | 282 | 210 | 182 | 152 |
| Mean daily daylight hours | 9h 27m | 10h 33m | 11h 58m | 13h 24m | 14h 37m | 15h 13m | 14h 53m | 13h 48m | 12h 25m | 11h 0m | 9h 45m | 9h 6m |
Castleton-on-Hudson experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / 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 Castleton-on-Hudson UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 7 | 6 | 4 | 2 |
Discover in-depth weather details for every month in Castleton-on-Hudson. 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 Castleton-on-Hudson'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.