Climate and monthly weather forecastBrooklyn, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Brooklyn, Iowa, with an average temperature fluctuating between 13.6°F (-10.2°C) and 27°F (-2.8°C). The lowest temperatures are recorded in January, with averages reaching a high of 27°F (-2.8°C) and a low of 13.6°F (-10.2°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Brooklyn, Iowa, with an average temperature fluctuating between 30.7°F (-0.7°C) and 17.2°F (-8.2°C). The average high-temperature during February registers at a still subzero cold 30.7°F (-0.7°C), closely corresponding to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Brooklyn, is a frosty month, with temperature in the range of an average high of 45.7°F (7.6°C) and an average low of 31.5°F (-0.3°C). As March arrives, a noticeable rise in the average high-temperature is witnessed, moving from a subzero cold 30.7°F (-0.7°C) in February to a chilly 45.7°F (7.6°C). Weather in March »Weather in April
April in Brooklyn, Iowa, is a moderate spring month, with an average temperature fluctuating between 58.3°F (14.6°C) and 41.5°F (5.3°C). April brings a temperature increase, with average high-temperatures moving from March's chilly 45.7°F (7.6°C) to a moderate 58.3°F (14.6°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Brooklyn, Iowa, with an average temperature ranging between max 69.1°F (20.6°C) and min 52.2°F (11.2°C). May brings a rise in Brooklyn's average high-temperature, moving from a moderate 58.3°F (14.6°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Brooklyn, Iowa, with an average temperature ranging between max 78.4°F (25.8°C) and min 62.2°F (16.8°C). June's arrival signals a temperature shift, moving from an agreeable 69.1°F (20.6°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Brooklyn, Iowa, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.1°F (27.3°C). July temperatures tend to peak at an average high of 81.1°F (27.3°C) and dip to a low of 64.8°F (18.2°C). The heat index value for July is appraised at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Brooklyn, is another warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 61.9°F (16.6°C). Welcoming August, Brooklyn notes an average high-temperature of a still moderately hot 79.7°F (26.5°C), nearly consistent with July's 81.1°F (27.3°C). Weather in August »Weather in September
September, the first month of the autumn in Brooklyn, is still a warm month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 55.4°F (13°C). September ushers in an average high-temperature of a still warm 74.7°F (23.7°C), aligning closely with the preceding month. Weather in September »Weather in October
October, like September, is another mild autumn month in Brooklyn, Iowa, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 60.1°F (15.6°C). As September transitions into October, a clear downswing in temperatures is observed, with average highs retreating from a moderately hot 74.7°F (23.7°C) to a moderate 60.1°F (15.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Brooklyn, Iowa, with an average temperature varying between 46.2°F (7.9°C) and 32.2°F (0.1°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 60.1°F (15.6°C) to a chilly 46.2°F (7.9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Brooklyn, Iowa, with an average temperature ranging between max 32.9°F (0.5°C) and min 22.1°F (-5.5°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 46.2°F (7.9°C) to a wintry 32.9°F (0.5°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Brooklyn, January is the coldest month, with temperatures averaging a high of 27°F (-2.8°C) and a low of 13.6°F (-10.2°C).
The months with the highest humidity are January, February and July, with an average relative humidity of 84%.
January is the month with the least rainfall in Brooklyn. Rain falls for 5 days and accumulates 1.02" (26mm) of precipitation.
In Brooklyn, Iowa, during the entire year, the rain falls for 135.6 days and collects up to 27.48" (698mm) of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 4.49" (114mm) of snow.
In Brooklyn, Iowa, during the entire year, snow falls for 35.5 days and aggregates up to 13.98" (355mm) of snow.
January has the least sunshine of the year, with an average of 4h of sunshine.
The month with the lowest UV index is January, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 4.21" (107mm) of precipitation.
In Brooklyn, Iowa, snow does not fall in June through September.
June has the longest days of the year in Brooklyn, Iowa, with an average of 15h and 12min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index in Brooklyn, Iowa.
Temperature readings in Brooklyn reach their annual highs in July, averaging 81.1°F (27.3°C) and a minimum average of 64.8°F (18.2°C).
The month with the most sunshine is July, with an average of 10.1h of sunshine.
The least humid month is October, with an average relative humidity of 72%.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Brooklyn, IA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure
Brooklyn, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Brooklyn, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.2mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Brooklyn, IA
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Brooklyn, IA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.06" - Average rainfall in March:
1.97" - Average rainfall in April:
2.91" - Average rainfall in May:
4.21" - Average rainfall in June:
3.78"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days
Brooklyn, IA
- Average rainfall days in January:
5 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Brooklyn, IA
- Average snowfall in January:
4.49" - Average snowfall in February:
3.98" - Average snowfall in March:
1.65" - Average snowfall in April:
0.59" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Brooklyn, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Brooklyn, IA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Brooklyn, IA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Brooklyn, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Brooklyn, IA
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Brooklyn, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
