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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Whittier, Iowa, with an average temperature fluctuating between 13.5°F (-10.3°C) and 25.5°F (-3.6°C). Whittier's coldest temperatures are experienced in January, with average high temperatures of 25.5°F (-3.6°C) and lows of 13.5°F (-10.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Whittier, Iowa, with an average temperature ranging between min 16.7°F (-8.5°C) and max 29.8°F (-1.2°C). Whittier marks the start of February with an average high-temperature of a still subzero cold 29.8°F (-1.2°C), hinting at a slight fluctuation from January's 25.5°F (-3.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Whittier, Iowa, with an average temperature ranging between min 30.2°F (-1°C) and max 44.6°F (7°C). March's arrival is marked by a notable elevation in high-temperatures, rising from a subzero cold 29.8°F (-1.2°C) in February to a chilly 44.6°F (7°C). Weather in March »
Weather in April
April is a moderate spring month in Whittier, Iowa, with an average temperature ranging between max 56.8°F (13.8°C) and min 40.6°F (4.8°C). Whittier's weather in April presents a rise in the average high-temperature, moving from a chilly 44.6°F (7°C) in March to a mild 56.8°F (13.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Whittier, Iowa, with an average temperature ranging between min 51.6°F (10.9°C) and max 68.5°F (20.3°C). Whittier's weather shows a temperature rise with the arrival of May, moving from a mild 56.8°F (13.8°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Whittier, is a warm month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 77.2°F (25.1°C). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a pleasant 68.5°F (20.3°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Whittier, Iowa, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 80.1°F (26.7°C). July, with an average high of 80.1°F (26.7°C) and a low of 64°F (17.8°C), signifies the warmest month of the year. Weather in July »
Weather in August
August, the last month of the summer in Whittier, is another warm month, with an average temperature ranging between min 61.5°F (16.4°C) and max 79.3°F (26.3°C). Whittier's shift into August is marked by a subtle change to a still warm 79.3°F (26.3°C) from July's 80.1°F (26.7°C) in temperature. Weather in August »
Weather in September
September, the first month of the autumn in Whittier, is still a warm month, with an average temperature varying between 73.4°F (23°C) and 54.7°F (12.6°C). In Whittier, the average high-temperature in September gently drops from a moderately hot 79.3°F (26.3°C) in August to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, the same as September, in Whittier, Iowa, is another refreshing autumn month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 43.7°F (6.5°C). A decrease in the average high-temperature is observed during October, shifting from a moderately hot 73.4°F (23°C) in September to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Whittier, is another chilly month, with an average temperature varying between 44.8°F (7.1°C) and 31.5°F (-0.3°C). With the beginning of November, Whittier's average high-temperature experiences a significant decrease, moving from a mild 59.5°F (15.3°C) in October to a frosty 44.8°F (7.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Whittier, Iowa, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 22.1°F (-5.5°C). As December begins, there is a decrease in the average high-temperature, falling from a chilly 44.8°F (7.1°C) in November to a cold 32.4°F (0.2°C). Weather in December »
Frequently asked questions
What part of the year is the coldest in Whittier?
January stands out as Whittier's coldest month, with an average high-temperature of 25.5°F (-3.6°C) and a low-temperature of 13.5°F (-10.3°C).
What is the most humid month in Whittier?
The most humid month is January, with an average relative humidity of 86%.
How much does it rain in Whittier?
Throughout the year, in Whittier, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.
When does it snow in Whittier?
Months with snowfall in Whittier, Iowa, are January through April, October through December.
When does it snow the most in Whittier?
The month with the most snowfall in Whittier is January, when snow falls for 11.3 days and typically aggregates up to 5.16" (131mm) of snow.
How many days does it snow in Whittier?
In Whittier, during the entire year, snow falls for 38.8 days and aggregates up to 15.16" (385mm) of snow.
What is the month with the least sunshine in Whittier?
The month with the least sunshine in Whittier, Iowa, is January, with an average of 3.8h of sunshine.
What is the driest month in Whittier?
February is the month with the least rainfall. Rain falls for 5.5 days and accumulates 1.02" (26mm) of precipitation.
When is Daylight Saving Time (DST) in Whittier?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Whittier, Iowa, 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.
What is the rainiest month in Whittier?
The month with the most rainfall in Whittier, Iowa, is May, when the rain falls for 18.2 days and typically aggregates up to 4.45" (113mm) of precipitation.
When it does not snow in Whittier?
In Whittier, Iowa, snow does not fall in May through September.
When are the longest days in Whittier?
June has the longest days of the year in Whittier, Iowa, with an average of 15h and 12min of daylight.
What month is the hottest in Whittier?
Whittier, Iowa, records the warmest temperatures in July, averaging a high of 80.1°F (26.7°C) and a low of 64°F (17.8°C).
What are the months with the most sunshine in Whittier?
July and August, with an average of 9.8h of sunshine, are months with the most sunshine.
When is the highest UV index in Whittier?
With an average maximum UV index of 6, July is the month with the highest UV index in Whittier, Iowa.
What is the least humid month in Whittier?
With an average relative humidity of 74%, October is the least humid month.
What is the month with the shortest days in Whittier?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
When is the lowest UV index in Whittier?
The month with the lowest UV index in Whittier is December, with an average maximum UV index of 1.
Average temperature
Whittier, IA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Whittier, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Whittier, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
7.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Whittier, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Whittier, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.02" - Average rainfall in March:
1.73" - Average rainfall in April:
3.03" - Average rainfall in May:
4.45" - Average rainfall in June:
3.9"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.81" - Average rainfall in September:
2.52" - Average rainfall in October:
2.44" - Average rainfall in November:
1.57" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days
Whittier, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Whittier, IA
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Whittier, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
3 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Whittier, IA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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:
3h and 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Whittier, IA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Whittier, IA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Whittier, IA
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Whittier, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Whittier, Iowa, USA
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