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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, the same as December, in Salem, Iowa, is a freezing cold winter month, with an average temperature varying between 17.4°F (-8.1°C) and 29.7°F (-1.3°C). In Salem, the month of January registers the lowest temperatures, averaging 29.7°F (-1.3°C) at the peak and 17.4°F (-8.1°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Salem, Iowa, with an average temperature ranging between min 21°F (-6.1°C) and max 34.3°F (1.3°C). The advent of February observes an average high-temperature of a wintry 34.3°F (1.3°C), nearly identical to January's 29.7°F (-1.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Salem, Iowa, with an average temperature varying between 48.2°F (9°C) and 33.3°F (0.7°C). In Salem, stepping into March brings a temperature increase, moving up from February's wintry 34.3°F (1.3°C) to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April is a comfortable spring month in Salem, Iowa, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 60.8°F (16°C). April's arrival signals an increase in average high-temperatures, moving from March's chilly 48.2°F (9°C) to an enjoyable 60.8°F (16°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Salem, Iowa, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 53.8°F (12.1°C). May's onset witnesses a shift in the average high-temperature, moving from an enjoyable 60.8°F (16°C) in April to a pleasant 70.9°F (21.6°C). Weather in May »
Weather in June
June, the first month of the summer in Salem, is a moderately hot month, with an average temperature ranging between min 63.7°F (17.6°C) and max 79.9°F (26.6°C). In June, the average high-temperature increases from a pleasant 70.9°F (21.6°C) in May to a moderately hot 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Salem, Iowa, is another warm summer month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 82.4°F (28°C). Temperature readings reach their annual highs in July, averaging 82.4°F (28°C) and a minimum average of 65.3°F (18.5°C). The average heat index in July is evaluated at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Salem, Iowa, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 63.3°F (17.4°C). August's onset brings an average high-temperature of a still warm 81.7°F (27.6°C), showing a minute difference from July's 82.4°F (28°C). Weather in August »
Weather in September
September, the first month of the autumn in Salem, is still a warm month, with an average temperature varying between 76.3°F (24.6°C) and 56.7°F (13.7°C). A minor decrease in the average high-temperature is observed during September, shifting from 81.7°F (27.6°C) in August to a still warm 76.3°F (24.6°C). Weather in September »
Weather in October
October, like September, in Salem, Iowa, is another refreshing autumn month, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 61.7°F (16.5°C). The changeover to October signals a significant decrease in the average high-temperature, dropping from a warm 76.3°F (24.6°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Salem, Iowa, with an average temperature fluctuating between 34°F (1.1°C) and 48°F (8.9°C). The move into November indicates a reduction in the average high-temperature, down from October's refreshing 61.7°F (16.5°C) to a chilly 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Salem, is still a cold month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 24.6°F (-4.1°C). As Salem enters December, the average high-temperature decreases from the a frosty 48°F (8.9°C) of November to a wintry 36°F (2.2°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
What part of the year is the coldest in Salem?
The month of January sees the average lowest temperatures, reaching 29.7°F (-1.3°C) at the peak and 17.4°F (-8.1°C) at the low.
How many days does it rain in Salem?
Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.
When does it snow in Salem?
January through April, October through December are months with snowfall.
When does it snow the most in Salem?
January is the month with the most snowfall in Salem, Iowa. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.
How much does it snow in Salem?
Throughout the year, in Salem, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.
What is the month with the least sunshine in Salem?
The month with the least sunshine in Salem, Iowa, is January, with an average of 4h of sunshine.
What is the month with the lowest UV index in Salem?
The month with the lowest UV index is January, with an average maximum UV index of 1.
What is the driest month in Salem?
February and December are months with the least rain in Salem when the rain falls for 4.6 days and typically aggregates up to 1.38" (35mm) of rain.
When is Daylight Saving Time (DST) in Salem?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Salem, 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 Salem?
The month with the most rainfall in Salem is May, when the rain falls for 18.3 days and typically aggregates up to 4.29" (109mm) of precipitation.
When it does not snow in Salem?
In Salem, Iowa, snow does not fall in May through September.
When are the longest days in Salem?
With an average of 15h and 6min of daylight, June has the longest days of the year in Salem.
What are the months with the highest UV index in Salem?
The months with the highest UV index in Salem, Iowa, are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Salem?
In Salem, July is known for its average highest temperatures, reaching a high of 82.4°F (28°C) and a low of 65.3°F (18.5°C).
What is the most humid month in Salem?
The most humid month is July, with an average relative humidity of 83%.
What month has the most sunshine in Salem?
With an average of 10h of sunshine, July has the most sunshine of the year in Salem, Iowa.
What is the least humid month in Salem?
October is the least humid month in Salem, with an average relative humidity of 71%.
What is the month with the shortest days in Salem?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Salem, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Salem, 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:
29.9"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:
30.01"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Salem, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.9mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity
Salem, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Salem, IA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
2.2" - Average rainfall in April:
3.27" - Average rainfall in May:
4.29" - Average rainfall in June:
4.17"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days
Salem, IA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Salem, IA
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Salem, IA
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Salem, IA
- Average daylight in January:
9h and 4min - 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 3min - 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 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Salem, IA
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Salem, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Salem, IA
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility
Salem, 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).
Salem, Iowa, USA
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