Climate and monthly weather forecastNavan, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Navan, Iowa, with an average temperature fluctuating between 10.6°F (-11.9°C) and 22.8°F (-5.1°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 22.8°F (-5.1°C) and a low of 10.6°F (-11.9°C). Weather in January »Weather in February
February, the last month of the winter in Navan, is another freezing cold month, with temperature in the range of an average low of 13.6°F (-10.2°C) and an average high of 26.1°F (-3.3°C). Navan's February reports an average high-temperature of a still freezing cold 26.1°F (-3.3°C), exhibiting a minor difference from January. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Navan, Iowa, with an average temperature varying between 41.9°F (5.5°C) and 27.3°F (-2.6°C). As February gives way to March, the average high-temperature displays a considerable increase, soaring from a freezing cold 26.1°F (-3.3°C) to a wintry 41.9°F (5.5°C). Weather in March »Weather in April
April in Navan, Iowa, is a cool spring month, with an average temperature ranging between max 54.5°F (12.5°C) and min 37.9°F (3.3°C). The arrival of April brings an increase in high-temperatures, moving from a cold 41.9°F (5.5°C) in March to a fresh 54.5°F (12.5°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Navan, Iowa, with an average temperature varying between 66.6°F (19.2°C) and 49.8°F (9.9°C). May's arrival signals a temperature shift, moving from a cool 54.5°F (12.5°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Navan, Iowa, with an average temperature fluctuating between 59.5°F (15.3°C) and 75.6°F (24.2°C). As Navan, Iowa, transitions into June, the average high-temperature is observed to rise from an enjoyable 66.6°F (19.2°C) in May to a warm 75.6°F (24.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Navan, Iowa, with an average temperature ranging between max 79°F (26.1°C) and min 62.4°F (16.9°C). July, with its high-temperature average of 79°F (26.1°C) and a low-temperature average of 62.4°F (16.9°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Navan, is another warm month, with an average temperature ranging between min 59.5°F (15.3°C) and max 77.5°F (25.3°C). August's onset brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), showing a minute difference from July's 79°F (26.1°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Navan, Iowa, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 52.9°F (11.6°C). September heralds a minor drop in average high-temperature, sliding from August's moderately hot 77.5°F (25.3°C) to an agreeable 71.4°F (21.9°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Navan, Iowa, with an average temperature ranging between max 57.2°F (14°C) and min 41.5°F (5.3°C). The shift to October brings a decrease in the average high-temperature, falling from a pleasant 71.4°F (21.9°C) in September to a moderate 57.2°F (14°C). Weather in October »Weather in November
November, the last month of the autumn in Navan, is also a wintry month, with an average temperature varying between 42.6°F (5.9°C) and 29.7°F (-1.3°C). The arrival of November is marked by a notable decrease in high-temperatures, falling from a refreshing 57.2°F (14°C) in October to a wintry 42.6°F (5.9°C). Weather in November »Weather in December
December, the first month of the winter in Navan, is still a freezing cold month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 29.5°F (-1.4°C). Navan in December undergoes a mild reduction in the average high-temperature, shifting from November's wintry 42.6°F (5.9°C) to a freezing cold 29.5°F (-1.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Navan, IA
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure
Navan, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"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:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Navan, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Navan, IA
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall
Navan, IA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.34" - Average rainfall in March:
1.93" - Average rainfall in April:
3.5" - Average rainfall in May:
4.37" - Average rainfall in June:
5.08"
- Average rainfall in July:
3.19" - Average rainfall in August:
2.28" - Average rainfall in September:
2.44" - Average rainfall in October:
2.72" - Average rainfall in November:
1.57" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days
Navan, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
19.8 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
5.8 days
The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Navan, IA
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Navan, IA
- Average snowfall days in January:
14.5 days - Average snowfall days in February:
13 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
3.3 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:
1.5 days - Average snowfall days in November:
5.7 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Navan, IA
- Average daylight in January:
9h and 24min - 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 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - 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 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 6min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Navan, IA
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
9 days - Average sunshine days in June:
7.9 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
16 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
14.2 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.9 days).
Average UV index
Navan, IA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Navan, IA
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Navan, IA
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





