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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 Ralston, Iowa, is another subzero cold winter month, with temperature in the range of an average high of 26.2°F (-3.2°C) and an average low of 13.6°F (-10.2°C). The month of January sees the lowest average temperatures, reaching 26.2°F (-3.2°C) at the peak and 13.6°F (-10.2°C) at the low. Weather in January »
Weather in February
February, the last month of the winter in Ralston, is another freezing cold month, with an average temperature ranging between min 16.9°F (-8.4°C) and max 30.2°F (-1°C). Ralston records a slight change with February's average high-temperatures adjusting to a still subzero cold 30.2°F (-1°C) from January's 26.2°F (-3.2°C). Weather in February »
Weather in March
March, the first month of the spring in Ralston, is a frosty month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 45.7°F (7.6°C). March indicates a noticeable escalation in the average high-temperature, moving up from a freezing cold 30.2°F (-1°C) in February to a frosty 45.7°F (7.6°C). Weather in March »
Weather in April
April in Ralston, Iowa, is a refreshing spring month, with an average temperature varying between 41.9°F (5.5°C) and 58.5°F (14.7°C). April's onset is marked by a temperature increase, moving from a chilly 45.7°F (7.6°C) in March to a moderate 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Ralston, is a pleasant month, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 69.1°F (20.6°C). The beginning of May signals a rise in the average high-temperature, moving from a mild 58.5°F (14.7°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 warm month in Ralston, Iowa, with an average temperature varying between 62.8°F (17.1°C) and 79.3°F (26.3°C). June signals a shift in the average high-temperature, moving from May's agreeable 69.1°F (20.6°C) to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Ralston, Iowa, with an average temperature varying between 64.4°F (18°C) and 81.5°F (27.5°C). Ralston experiences its highest average temperatures in July, reaching a peak of 81.5°F (27.5°C) and a minimum of 64.4°F (18°C). In July, the average heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Ralston, is also a moderately hot month, with an average temperature ranging between min 61.5°F (16.4°C) and max 79.5°F (26.4°C). Ralston's weather in August, with an average high-temperature of a still warm 79.5°F (26.4°C), subtly shifts from July's 81.5°F (27.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Ralston, is also a moderately hot month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 55.8°F (13.2°C). Ralston, Iowa, experiences a transition to a still warm 74.7°F (23.7°C) in average high-temperatures with the arrival of September, not greatly differing from August's 79.5°F (26.4°C). Weather in September »
Weather in October
October, the same as September, in Ralston, Iowa, is a moderate autumn month, with an average temperature fluctuating between 59.5°F (15.3°C) and 43.9°F (6.6°C). October witnesses a clear temperature decrease, falling from a warm 74.7°F (23.7°C) in September to a moderate 59.5°F (15.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Ralston, Iowa, with an average temperature ranging between min 31.8°F (-0.1°C) and max 45.9°F (7.7°C). In Ralston, entering November brings a temperature decrement, reducing from October's moderate 59.5°F (15.3°C) to a chilly 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Ralston, Iowa, with an average temperature fluctuating between 20.8°F (-6.2°C) and 31.8°F (-0.1°C). Ralston's weather changes with the onset of December, slightly falling from a frosty 45.9°F (7.7°C) in November to a subzero cold 31.8°F (-0.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Ralston?
January is Ralston's coldest month, registering average high temperatures of 26.2°F (-3.2°C) and lows of 13.6°F (-10.2°C).
What is the most humid month in Ralston?
The most humid month in Ralston is January, with an average relative humidity of 84%.
What is the driest month in Ralston?
January is the month with the least rainfall. Rain falls for 4.6 days and accumulates 0.94" (24mm) of precipitation.
How many days does it rain in Ralston?
Throughout the year, there are 130.1 rainfall days, and 27.28" (693mm) of precipitation is accumulated.
When does it snow in Ralston?
Months with snowfall in Ralston, Iowa, are January through May, October through December.
How much does it snow in Ralston?
In Ralston, Iowa, during the entire year, snow falls for 44.8 days and aggregates up to 19.8" (503mm) of snow.
What is the month with the least sunshine in Ralston?
With an average of 4.2h of sunshine, January has the least sunshine of the year in Ralston, Iowa.
What is the snowiest month in Ralston?
The month with the most snowfall is February, when snow falls for 9.4 days and typically aggregates up to 5.12" (130mm) of snow.
When is the lowest UV index in Ralston?
The month with the lowest UV index in Ralston, Iowa, is February, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Ralston?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ralston, 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 least humid month in Ralston?
April and October, with an average relative humidity of 69%, are the least humid months in Ralston, Iowa.
What is the wettest month in Ralston?
May is the month with the most rainfall in Ralston. Rain falls for 17.3 days and accumulates 4.29" (109mm) of precipitation.
When it does not snow in Ralston?
In Ralston, snow does not fall in June through September.
When are the longest days in Ralston?
With an average of 15h and 12min of daylight, June has the longest days of the year in Ralston.
What are the months with the highest UV index in Ralston?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What is the warmest month in Ralston?
In Ralston, July records the average highest temperatures, peaking at 81.5°F (27.5°C) and reaching a low of 64.4°F (18°C).
What month has the most sunshine in Ralston?
With an average of 10.4h of sunshine, July has the most sunshine of the year in Ralston, Iowa.
What is the month with the shortest days in Ralston?
December has the shortest days of the year in Ralston, Iowa, with an average of 9h and 12min of daylight.
Average temperature
Ralston, IA
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure
Ralston, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Ralston, IA
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.7mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity
Ralston, IA
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall
Ralston, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.26" - Average rainfall in March:
1.73" - Average rainfall in April:
2.95" - Average rainfall in May:
4.29" - Average rainfall in June:
3.98"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.32" - Average rainfall in September:
2.72" - Average rainfall in October:
2.13" - Average rainfall in November:
1.14" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Ralston, IA
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
12 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Ralston, IA
- Average snowfall in January:
4.02" - Average snowfall in February:
5.12" - Average snowfall in March:
3.35" - Average snowfall in April:
1.26" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Ralston, IA
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
3.8 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Ralston, 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:
4h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Ralston, IA
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).
Average UV index
Ralston, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Ralston, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Ralston, IA
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Ralston, Iowa, USA
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