Climate and monthly weather forecastMartinsburg, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Martinsburg, Iowa, is another subzero cold winter month, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.6°F (-9.1°C). The month of January, characterized by an average high of 28.6°F (-1.9°C) and a low of 15.6°F (-9.1°C), is recognized as the coldest. Weather in January »Weather in February
February, the last month of the winter in Martinsburg, is an icy month, with an average temperature fluctuating between 32.5°F (0.3°C) and 19°F (-7.2°C). Martinsburg experiences an average high-temperature of a cold 32.5°F (0.3°C) with the onset of February, subtly varied from January's 28.6°F (-1.9°C). Weather in February »Weather in March
March, the first month of the spring in Martinsburg, is a chilly month, with an average temperature varying between 32.4°F (0.2°C) and 47.1°F (8.4°C). March signals a significant shift in the average high-temperature, soaring from February's icy 32.5°F (0.3°C) to a chilly 47.1°F (8.4°C). Weather in March »Weather in April
April in Martinsburg, Iowa, is a mild spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 42.4°F (5.8°C). With the arrival of April, the average high-temperature transitions from a chilly 47.1°F (8.4°C) in March to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Martinsburg, is an agreeable month, with an average temperature ranging between max 70°F (21.1°C) and min 53.2°F (11.8°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 59.5°F (15.3°C) to a pleasant 70°F (21.1°C). Weather in May »Weather in June
June, the first month of the summer in Martinsburg, is a warm month, with an average temperature varying between 79.3°F (26.3°C) and 63.1°F (17.3°C). The beginning of June marks a shift in the average high-temperature, moving from May's pleasant 70°F (21.1°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Martinsburg, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 65.1°F (18.4°C) and 82°F (27.8°C). The temperatures reach their highest averages in July, with highs of 82°F (27.8°C) and lows of 65.1°F (18.4°C). For most parts of July, the heat index is estimated at a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Martinsburg, Iowa, with an average temperature varying between 62.8°F (17.1°C) and 81.1°F (27.3°C). Martinsburg records an average high-temperature of a still warm 81.1°F (27.3°C) in August, closely mirroring the climate of the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Martinsburg, Iowa, with an average temperature fluctuating between 75.2°F (24°C) and 56.3°F (13.5°C). The arrival of September signals a subtle shift in temperature, down from 81.1°F (27.3°C) in August to a still warm 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Martinsburg, Iowa, with an average temperature fluctuating between 44.8°F (7.1°C) and 61.3°F (16.3°C). Martinsburg, Iowa, observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 75.2°F (24°C) to a comfortable 61.3°F (16.3°C). Weather in October »Weather in November
November, the last month of the autumn in Martinsburg, is also a frosty month, with an average temperature fluctuating between 46.9°F (8.3°C) and 33.4°F (0.8°C). November's onset witnesses a marked shift in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in October to a frosty 46.9°F (8.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Martinsburg, Iowa, with an average temperature varying between 23.4°F (-4.8°C) and 34.7°F (1.5°C). The onset of December is marked by a decrease in temperature, transitioning from a frosty 46.9°F (8.3°C) in November to a cold 34.7°F (1.5°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
Martinsburg's January weather, with an average high temperature of 28.6°F (-1.9°C) and an average low temperature of 15.6°F (-9.1°C), tends to be the coldest of the year.
Throughout the year, there are 137.9 rainfall days, and 27.76" (705mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Martinsburg, Iowa.
The month with the most snowfall in Martinsburg, Iowa, is January, when snow falls for 9.5 days and typically aggregates up to 4.06" (103mm) of snow.
In Martinsburg, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.
The month with the least sunshine in Martinsburg is January, with an average of 4.2h of sunshine.
The months with the lowest UV index in Martinsburg, Iowa, are January, February, October through December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.98" (25mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 month with the most rainfall in Martinsburg, Iowa, is May, when the rain falls for 17.7 days and typically aggregates up to 4.17" (106mm) of precipitation.
In Martinsburg, snow does not fall in June through September.
With an average of 15h and 6min of daylight, June has the longest days of the year in Martinsburg.
The months with the highest UV index in Martinsburg, Iowa, are June and July, with an average maximum UV index of 6.
In Martinsburg, July registers the highest temperatures, averaging 82°F (27.8°C) at the peak and 65.1°F (18.4°C) at the lowest.
July is the most humid month in Martinsburg, with an average relative humidity of 83%.
The month with the most sunshine is July, with an average of 10.3h of sunshine.
With an average relative humidity of 72%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Martinsburg, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Martinsburg, 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
Martinsburg, 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:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - 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 month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Martinsburg, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Martinsburg, IA
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.97" - Average rainfall in April:
2.87" - Average rainfall in May:
4.17" - Average rainfall in June:
4.02"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.76" - Average rainfall in October:
2.2" - Average rainfall in November:
1.54" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Martinsburg, IA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Martinsburg, IA
- Average snowfall in January:
4.06" - Average snowfall in February:
3.66" - Average snowfall in March:
1.34" - Average snowfall in April:
0.79" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Martinsburg, IA
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.8 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:
2.4 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Martinsburg, IA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - 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 12min).
Average sunshine days
Martinsburg, IA
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Martinsburg, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Martinsburg, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility
Martinsburg, 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).
