Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Brooklyn features a humid continental climate (Dfa). Temperatures typically range between -6 °C (22 °F) and 24 °C (76 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1044 mm (41.1 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually. Brooklyn enjoys an average of 3030 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 8 minutes per day.
The warmest months in Brooklyn are June, July and August, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (22 - 31 °F) throughout the day. On average each year, Brooklyn experiences 92 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 13°C (56°F) |
22°C (71°F) |
22°C (72°F) |
29°C (84°F) |
35°C (94°F) |
36°C (97°F) |
35°C (94°F) |
34°C (94°F) |
33°C (92°F) |
31°C (88°F) |
24°C (75°F) |
23°C (73°F) |
| Mean maximum | 10°C (50°F) |
14°C (58°F) |
20°C (68°F) |
26°C (80°F) |
32°C (90°F) |
33°C (92°F) |
33°C (93°F) |
32°C (90°F) |
32°C (90°F) |
30°C (86°F) |
18°C (66°F) |
17°C (62°F) |
| Average high | -2°C (29°F) |
-0°C (32°F) |
9°C (48°F) |
15°C (59°F) |
22°C (71°F) |
28°C (82°F) |
29°C (84°F) |
28°C (82°F) |
25°C (78°F) |
16°C (62°F) |
8°C (47°F) |
4°C (39°F) |
| Daily mean | -6°C (22°F) |
-5°C (23°F) |
4°C (39°F) |
9°C (49°F) |
17°C (62°F) |
23°C (73°F) |
24°C (76°F) |
23°C (73°F) |
20°C (68°F) |
11°C (53°F) |
3°C (38°F) |
-1°C (31°F) |
| Average low | -10°C (14°F) |
-10°C (15°F) |
-1°C (31°F) |
4°C (39°F) |
12°C (53°F) |
18°C (64°F) |
19°C (67°F) |
17°C (63°F) |
14°C (58°F) |
7°C (44°F) |
-2°C (29°F) |
-5°C (23°F) |
| Mean minimum | -24°C (-12°F) |
-23°C (-9°F) |
-13°C (9°F) |
-6°C (21°F) |
3°C (38°F) |
12°C (53°F) |
15°C (59°F) |
12°C (53°F) |
7°C (44°F) |
-3°C (26°F) |
-11°C (12°F) |
-16°C (4°F) |
| Minimum | -32°C (-25°F) |
-32°C (-26°F) |
-22°C (-8°F) |
-10°C (14°F) |
-0°C (31°F) |
9°C (49°F) |
13°C (55°F) |
11°C (51°F) |
3°C (38°F) |
-5°C (23°F) |
-17°C (1°F) |
-23°C (-8°F) |
Compare temperature, precipitation, sunshine, UV index in Brooklyn, Iowa, United States with other places around the world.
Brooklyn usually has the most precipitation in May, June and October, with an average of 12 rainy days and 149 mm (5.9 inches) of precipitation per month. The driest months in Brooklyn are January, November and December. On average, 43 mm (1.7 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 44 (1.7) | 50 (2.0) | 78 (3.1) | 81 (3.2) | 166 (6.6) | 137 (5.4) | 76 (3.0) | 66 (2.6) | 116 (4.6) | 142 (5.6) | 47 (1.8) | 39 (1.6) |
| Average precipitation days (≥ 1 mm) | 7 | 8 | 8 | 11 | 15 | 10 | 9 | 8 | 9 | 11 | 6 | 6 |
The sunniest months in Brooklyn are June, July and August, when the sun shines an average of 11 hours 24 minutes a day. Least sunny months in Brooklyn: January, February and December receive an average of 5 hours 48 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 134 | 188 | 225 | 252 | 265 | 341 | 371 | 335 | 276 | 224 | 207 | 204 |
| Mean daily daylight hours | 9h 31m | 10h 36m | 11h 58m | 13h 22m | 14h 33m | 15h 8m | 14h 49m | 13h 45m | 12h 25m | 11h 1m | 9h 48m | 9h 11m |
Brooklyn experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 4. For more detailed information, check out our hourly Brooklyn UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Brooklyn. 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 Brooklyn'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.