Climate and monthly weather forecastMartelle, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Martelle, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 13.5°F (-10.3°C). In Martelle, the month of January registers the lowest temperatures, averaging 25.5°F (-3.6°C) at the peak and 13.5°F (-10.3°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Martelle, Iowa, with an average temperature ranging between min 16.7°F (-8.5°C) and max 29.8°F (-1.2°C). The arrival of February marks a slight shift to an average high-temperature of a still freezing cold 29.8°F (-1.2°C) from January's 25.5°F (-3.6°C). Weather in February »Weather in March
March, the first month of the spring in Martelle, is a chilly month, with an average temperature varying between 44.6°F (7°C) and 30.2°F (-1°C). The average high-temperature exhibits a considerable increase in March, surging from a subzero cold 29.8°F (-1.2°C) in February to a frosty 44.6°F (7°C). Weather in March »Weather in April
April is a moderate spring month in Martelle, Iowa, with an average temperature fluctuating between 40.6°F (4.8°C) and 56.8°F (13.8°C). April shows a rise in the average high-temperature, moving from March's chilly 44.6°F (7°C) to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Martelle, Iowa, with an average temperature varying between 68.5°F (20.3°C) and 51.6°F (10.9°C). May brings an increase in the average high-temperature, progressing from a mild 56.8°F (13.8°C) in April to a pleasant 68.5°F (20.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Martelle, Iowa, with an average temperature ranging between max 77.2°F (25.1°C) and min 61.3°F (16.3°C). As June sets, the average high-temperature shows a slight increase, moving up from a pleasant 68.5°F (20.3°C) in May to a moderately hot 77.2°F (25.1°C). Weather in June »Weather in July
July, like June, in Martelle, Iowa, is another warm summer month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 64°F (17.8°C). July, with its average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 64°F (17.8°C), holds the record as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Martelle, Iowa, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 61.5°F (16.4°C). The transition from July to August sees an average high-temperature of a still moderately hot 79.3°F (26.3°C), indicating a minor variance from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Martelle, Iowa, with an average temperature fluctuating between 54.7°F (12.6°C) and 73.4°F (23°C). Martelle's transition into September involves a gentle shift in temperature, receding from a moderately hot 79.3°F (26.3°C) in August to a still warm 73.4°F (23°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Martelle, Iowa, with an average temperature fluctuating between 59.5°F (15.3°C) and 43.7°F (6.5°C). Martelle's weather changes with the onset of October, slightly falling from a warm 73.4°F (23°C) in September to a refreshing 59.5°F (15.3°C). Weather in October »Weather in November
November, the last month of the autumn in Martelle, is another chilly month, with an average temperature varying between 44.8°F (7.1°C) and 31.5°F (-0.3°C). In Martelle, stepping into November signifies a significant temperature decrement, moving down from October's refreshing 59.5°F (15.3°C) to a chilly 44.8°F (7.1°C). Weather in November »Weather in December
December, the first month of the winter in Martelle, is still a cold month, with an average temperature ranging between max 32.4°F (0.2°C) and min 22.1°F (-5.5°C). Martelle's December weather features a mild decline in high-temperatures, reducing from a frosty 44.8°F (7.1°C) in November to a cold 32.4°F (0.2°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
Martelle experiences its lowest temperatures in January, with an average peak of 25.5°F (-3.6°C) and a low of 13.5°F (-10.3°C).
With an average relative humidity of 86%, January is the most humid month in Martelle, Iowa.
Throughout the year, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.
January through April, October through December are months with snowfall in Martelle.
January is the month with the most snowfall in Martelle. Snow falls for 11.3 days and accumulates 5.16" (131mm) of snow.
In Martelle, during the entire year, snow falls for 38.8 days and aggregates up to 15.16" (385mm) of snow.
With an average of 3.8h of sunshine, January has the least sunshine of the year.
The month with the least rainfall is February, when the rain falls for 5.5 days and typically collects 1.02" (26mm) 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.
May is the month with the most rainfall in Martelle. Rain falls for 18.2 days and accumulates 4.45" (113mm) of precipitation.
May through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The warmest temperatures occur during July, when averages reach a peak of 80.1°F (26.7°C) and a low of 64°F (17.8°C).
July and August, with an average of 9.8h of sunshine, are months with the most sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index in Martelle, Iowa.
October is the least humid month in Martelle, Iowa, with an average relative humidity of 74%.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
The month with the lowest UV index in Martelle, Iowa, is December, with an average maximum UV index of 1.
Average temperature
Martelle, IA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Martelle, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Martelle, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.2mph - Average wind speed in June:
7.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Martelle, IA
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Martelle, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.02" - Average rainfall in March:
1.73" - Average rainfall in April:
3.03" - Average rainfall in May:
4.45" - Average rainfall in June:
3.9"
- Average rainfall in July:
2.72" - Average rainfall in August:
1.81" - Average rainfall in September:
2.52" - Average rainfall in October:
2.44" - Average rainfall in November:
1.57" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days
Martelle, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Martelle, IA
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Martelle, IA
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.3 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:
3 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Martelle, 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 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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:
3h and 48min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Martelle, IA
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index
Martelle, IA
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Martelle, IA
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Martelle, 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).
