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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 Guernsey, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 14.7°F (-9.6°C) and 27.1°F (-2.7°C). The month of January, characterized by an average high of 27.1°F (-2.7°C) and a low of 14.7°F (-9.6°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Guernsey, is another freezing cold month, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 17.8°F (-7.9°C). The arrival of February coincides with an average high-temperature of a still subzero cold 31.5°F (-0.3°C), indicating a minimal shift from January's 27.1°F (-2.7°C). Weather in February »
Weather in March
March, the first month of the spring in Guernsey, is a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 31.6°F (-0.2°C). The beginning of March marks a clear shift in the average high-temperature, advancing from February's subzero cold 31.5°F (-0.3°C) to a chilly 46°F (7.8°C). Weather in March »
Weather in April
April is a moderate spring month in Guernsey, Iowa, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 58.6°F (14.8°C). April marks a rise in the average high-temperature, moving from March's frosty 46°F (7.8°C) to a refreshing 58.6°F (14.8°C). Weather in April »
Weather in May
May, the last month of the spring in Guernsey, is a pleasant month, with an average temperature ranging between min 52.3°F (11.3°C) and max 69.3°F (20.7°C). With the onset of May, the average high-temperature slightly shifts from April's mild 58.6°F (14.8°C) to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Guernsey, Iowa, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 62.2°F (16.8°C). The shift into June brings an increase in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Guernsey, Iowa, with an average temperature ranging between min 64.8°F (18.2°C) and max 81.1°F (27.3°C). July, with average temperatures reaching a high of 81.1°F (27.3°C) and a low of 64.8°F (18.2°C), is the warmest month. The average heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Guernsey, is also a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 80.4°F (26.9°C). Guernsey experiences a transition to a still moderately hot 80.4°F (26.9°C) in average high-temperatures with the arrival of August, not greatly differing from July's 81.1°F (27.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Guernsey, is still a warm month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 74.7°F (23.7°C). The start of September involves a subtle temperature drop, shifting from a warm 80.4°F (26.9°C) in August to a still moderately hot 74.7°F (23.7°C). Weather in September »
Weather in October
October, the same as September, in Guernsey, Iowa, is a moderate autumn month, with an average temperature fluctuating between 60.1°F (15.6°C) and 44.4°F (6.9°C). October signals a clear temperature drop, with average high-temperatures decreasing from September's moderately hot 74.7°F (23.7°C) to a mild 60.1°F (15.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Guernsey, Iowa, with an average temperature varying between 32.5°F (0.3°C) and 46.8°F (8.2°C). The onset of November brings a small change in high-temperatures, falling from a mild 60.1°F (15.6°C) in October to a chilly 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Guernsey, Iowa, with temperature in the range of an average high of 33.6°F (0.9°C) and an average low of 22.3°F (-5.4°C). December's onset brings a reduction in the average high-temperature, from a frosty 46.8°F (8.2°C) in November to a wintry 33.6°F (0.9°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Guernsey?
Temperature readings in Guernsey, Iowa, reach their annual highs in January, averaging 27.1°F (-2.7°C) and a minimum average of 14.7°F (-9.6°C).
What is the most humid month in Guernsey?
The months with the highest humidity are January and July, with an average relative humidity of 84%.
What is the driest month in Guernsey?
The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 1.18" (30mm) of precipitation.
How much does it rain in Guernsey?
Throughout the year, there are 145.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.
When does it snow in Guernsey?
January through May, October through December are months with snowfall in Guernsey, Iowa.
How many days does it snow in Guernsey?
In Guernsey, during the entire year, snow falls for 39 days and aggregates up to 16.65" (423mm) of snow.
What is the month with the least sunshine in Guernsey?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Guernsey?
With an average maximum UV index of 1, January is the month with the lowest UV index in Guernsey.
When does it snow the most in Guernsey?
The month with the most snowfall is February, when snow falls for 9.8 days and typically aggregates up to 5.24" (133mm) of snow.
When is Daylight Saving Time (DST) in Guernsey?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Guernsey, 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 wettest month in Guernsey?
The month with the most rainfall is May, when the rain falls for 18.8 days and typically aggregates up to 4.57" (116mm) of precipitation.
When it does not snow in Guernsey?
June through September are months without snowfall in Guernsey, Iowa.
When are the longest days in Guernsey?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What is the month with the highest UV index in Guernsey?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest in Guernsey?
The warmest period in Guernsey tends to be July, when average temperatures fluctuate between a high of 81.1°F (27.3°C) and a low of 64.8°F (18.2°C).
What month has the most sunshine in Guernsey?
July has the most sunshine of the year in Guernsey, with an average of 10.1h of sunshine.
What is the least humid month in Guernsey?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days in Guernsey?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Guernsey, 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 (27.1°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 (14.7°F).
Average pressure
Guernsey, 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
Guernsey, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - 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:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Guernsey, IA
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Guernsey, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.3" - Average rainfall in March:
2.09" - Average rainfall in April:
3.15" - Average rainfall in May:
4.57" - Average rainfall in June:
4.41"
- Average rainfall in July:
3.11" - Average rainfall in August:
2.52" - Average rainfall in September:
2.8" - Average rainfall in October:
2.24" - Average rainfall in November:
1.57" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days
Guernsey, IA
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
18.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (5 days).
Average snowfall
Guernsey, IA
- Average snowfall in January:
4.96" - Average snowfall in February:
5.24" - Average snowfall in March:
2.09" - Average snowfall in April:
0.79" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Guernsey, IA
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
6 days - Average snowfall days in April:
1.7 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:
0.6 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Guernsey, 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 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 6min).
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 2min - Average sunshine in March:
6h and 2min - 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 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
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 6min).
Average sunshine days
Guernsey, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index
Guernsey, 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
Guernsey, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Guernsey, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Guernsey, Iowa, USA
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