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Monthly climate in Brookside, Delaware, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Brookside features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 26 °C (79 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1302 mm (51.3 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually.Brookside enjoys an average of 3057 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Brookside, Delaware, United States §

The warmest months in Brookside 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 (36 - 40 °F) throughout the day. On average each year, Brookside experiences 99 days above 25 °C (77.0 °F) and 60 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Brookside, Delaware, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 19°C
(67°F)		 25°C
(77°F)		 28°C
(82°F)		 31°C
(87°F)		 33°C
(92°F)		 35°C
(96°F)		 37°C
(98°F)		 35°C
(95°F)		 34°C
(93°F)		 34°C
(94°F)		 24°C
(75°F)		 18°C
(65°F)
Mean maximum 16°C
(61°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(73°F)		 16°C
(62°F)
Average high 5°C
(42°F)		 8°C
(46°F)		 11°C
(53°F)		 17°C
(63°F)		 23°C
(73°F)		 28°C
(82°F)		 30°C
(87°F)		 29°C
(84°F)		 26°C
(79°F)		 20°C
(69°F)		 12°C
(55°F)		 8°C
(46°F)
Daily mean 2°C
(36°F)		 4°C
(39°F)		 7°C
(44°F)		 13°C
(55°F)		 18°C
(64°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(61°F)		 8°C
(47°F)		 4°C
(40°F)
Average low -2°C
(29°F)		 -0°C
(32°F)		 3°C
(37°F)		 8°C
(47°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(64°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(33°F)
Mean minimum -11°C
(12°F)		 -10°C
(15°F)		 -6°C
(22°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(55°F)		 17°C
(63°F)		 16°C
(61°F)		 10°C
(51°F)		 4°C
(40°F)		 -4°C
(25°F)		 -7°C
(19°F)
Minimum -16°C
(3°F)		 -15°C
(5°F)		 -11°C
(12°F)		 -1°C
(30°F)		 2°C
(36°F)		 9°C
(49°F)		 15°C
(59°F)		 14°C
(58°F)		 7°C
(44°F)		 3°C
(37°F)		 -7°C
(20°F)		 -11°C
(13°F)

Compare climate in Brookside with other places

Compare temperature, precipitation, sunshine, UV index in Brookside, Delaware, United States with other places around the world.

Monthly average precipitation in Brookside, Delaware, United States §

Brookside usually has the most precipitation in May, July and August, with an average of 13 rainy days and 136 mm (5.4 inches) of precipitation per month.The driest months in Brookside are January, November and December. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Brookside, Delaware, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 66 (2.6) 104 (4.1) 104 (4.1) 107 (4.2) 136 (5.4) 113 (4.5) 137 (5.4) 137 (5.4) 105 (4.1) 106 (4.2) 85 (3.3) 102 (4.0)
Average precipitation days (≥ 1 mm) 8 12 10 11 13 12 12 14 11 9 8 9

Monthly sunshine hours in Brookside, Delaware, United States §

The sunniest months in Brookside are June, July and August, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in Brookside: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Brookside, Delaware, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 149 178 252 261 287 329 354 320 276 235 226 185
Mean daily daylight hours 9h 41m 10h 42m 11h 58m 13h 17m 14h 23m 14h 56m 14h 38m 13h 39m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Brookside, Delaware, United States §

Brookside 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 Brookside UV Index data.

Average daily maximum UV levels by month for Brookside, Delaware, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 10 10 9 8 6 4 3