Climate and monthly weather forecastGalva, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Galva, Iowa, is a freezing cold winter month, with an average temperature varying between 13.1°F (-10.5°C) and 25.2°F (-3.8°C). Galva experiences its lowest average temperatures in January, reaching a peak of 25.2°F (-3.8°C) and a minimum of 13.1°F (-10.5°C). Weather in January »Weather in February
February, the last month of the winter in Galva, is another freezing cold month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 28.9°F (-1.7°C). In February, Galva experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 25.2°F (-3.8°C) in January to a still subzero cold 28.9°F (-1.7°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Galva, Iowa, with an average temperature varying between 45.1°F (7.3°C) and 30.6°F (-0.8°C). With the beginning of March, Galva's average high-temperature experiences a significant increase, moving from a freezing cold 28.9°F (-1.7°C) in February to a frosty 45.1°F (7.3°C). Weather in March »Weather in April
April in Galva, Iowa, is a mild spring month, with an average temperature fluctuating between 57.7°F (14.3°C) and 41°F (5°C). The onset of April brings a rise in the average high-temperature, elevating from a frosty 45.1°F (7.3°C) in March to a refreshing 57.7°F (14.3°C). Weather in April »Weather in May
May, the last month of the spring in Galva, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.3°F (11.3°C). With the onset of May, Galva sees a temperature rise, with the average high-temperature moving from April's refreshing 57.7°F (14.3°C) to an agreeable 69.4°F (20.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Galva, Iowa, with an average temperature varying between 78.4°F (25.8°C) and 62.2°F (16.8°C). In June, the average high-temperature increases from an agreeable 69.4°F (20.8°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 a moderately hot summer month in Galva, Iowa, with an average temperature fluctuating between 64.6°F (18.1°C) and 81.9°F (27.7°C). The month of July sees the highest average temperatures, reaching 81.9°F (27.7°C) at the peak and 64.6°F (18.1°C) at the low. For most parts of July, the heat index is appraised at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Galva, is also a moderately hot month, with an average temperature ranging between max 79.5°F (26.4°C) and min 61.3°F (16.3°C). The advent of August brings an average high-temperature of a still warm 79.5°F (26.4°C), almost identical to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Galva, is still a warm month, with an average temperature ranging between min 55.4°F (13°C) and max 73.9°F (23.3°C). Galva's September weather features a light decline in high-temperatures, reducing from 79.5°F (26.4°C) in August to a still warm 73.9°F (23.3°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Galva, Iowa, with an average temperature ranging between max 58.3°F (14.6°C) and min 43.5°F (6.4°C). October's arrival is marked by a significant decrease in the average high-temperature, moving from a moderately hot 73.9°F (23.3°C) in September to a mild 58.3°F (14.6°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Galva, Iowa, with an average temperature varying between 44.6°F (7°C) and 31.6°F (-0.2°C). Start of November brings a shift in the average high-temperature, falling from October's mild 58.3°F (14.6°C) to a chilly 44.6°F (7°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Galva, Iowa, with temperature in the range of an average low of 19.6°F (-6.9°C) and an average high of 30°F (-1.1°C). The changeover to December signals a significant decrease in the average high-temperature, dropping from a frosty 44.6°F (7°C) in November to a freezing cold 30°F (-1.1°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
With average high temperatures of 25.2°F (-3.8°C) and lows of 13.1°F (-10.5°C), January is the coldest month.
With an average relative humidity of 85%, January is the most humid month in Galva.
January is the month with the least rainfall in Galva. Rain falls for 3.2 days and accumulates 0.79" (20mm) of precipitation.
Throughout the year, there are 117.4 rainfall days, and 24.61" (625mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Galva, Iowa, during the entire year, snow falls for 39.4 days and aggregates up to 16.57" (421mm) of snow.
With an average of 4h of sunshine, January has the least sunshine of the year in Galva.
The months with the lowest UV index in Galva, Iowa, are January and February, with an average maximum UV index of 1.
February is the month with the most snowfall in Galva. Snow falls for 8.8 days and accumulates 4.37" (111mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Galva, 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.
The months with the lowest humidity in Galva, Iowa, are April and October, with an average relative humidity of 67%.
June is the month with the most rainfall in Galva. Rain falls for 16.4 days and accumulates 3.62" (92mm) of precipitation.
June through September are months without snowfall in Galva, Iowa.
June has the longest days of the year in Galva, with an average of 15h and 12min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July, noted for its average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64.6°F (18.1°C), is considered the warmest month.
With an average of 10.3h of sunshine, July has the most sunshine of the year.
The month with the shortest days in Galva, Iowa, is December, with an average of 9h and 6min of daylight.
Average temperature
Galva, IA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.2°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
Galva, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Galva, IA
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.9mph - Average wind speed in April:
11.3mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity
Galva, IA
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall
Galva, IA
- Average rainfall in January:
0.79" - Average rainfall in February:
1.06" - Average rainfall in March:
1.42" - Average rainfall in April:
2.83" - Average rainfall in May:
3.31" - Average rainfall in June:
3.62"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.52" - Average rainfall in September:
2.32" - Average rainfall in October:
2.24" - Average rainfall in November:
0.94" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Galva, IA
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Galva, IA
- Average snowfall in January:
3.86" - Average snowfall in February:
4.37" - Average snowfall in March:
2.52" - Average snowfall in April:
1.65" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Galva, IA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
6.2 days - Average snowfall days in April:
2.1 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:
1.3 days - Average snowfall days in November:
3.4 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Galva, IA
- Average daylight in January:
9h and 30min - 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 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Galva, IA
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
19 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Galva, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Galva, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Galva, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
