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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 Bertram, Iowa, is a freezing cold winter month, with an average temperature ranging between min 14.2°F (-9.9°C) and max 26.2°F (-3.2°C). With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.2°F (-9.9°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Bertram, is another freezing cold month, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 17.4°F (-8.1°C). The transition into February reveals an average high-temperature of a still freezing cold 30.6°F (-0.8°C), mirroring a close resemblance to January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Bertram, Iowa, with an average temperature fluctuating between 45.5°F (7.5°C) and 30.7°F (-0.7°C). March's arrival signals a distinct temperature shift, escalating from a freezing cold 30.6°F (-0.8°C) in February to a frosty 45.5°F (7.5°C). Weather in March »
Weather in April
April is a mild spring month in Bertram, Iowa, with an average temperature varying between 57.9°F (14.4°C) and 41°F (5°C). April brings an increase in the average high-temperature, progressing from a chilly 45.5°F (7.5°C) in March to a refreshing 57.9°F (14.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Bertram, Iowa, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 68.9°F (20.5°C). Bertram sees a rise in temperature during May, with average high-temperatures transitioning from a mild 57.9°F (14.4°C) in April to a pleasant 68.9°F (20.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Bertram, Iowa, with an average temperature fluctuating between 61.5°F (16.4°C) and 77.9°F (25.5°C). The onset of June brings a rise in the average high-temperature, elevating from an agreeable 68.9°F (20.5°C) in May to a moderately hot 77.9°F (25.5°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Bertram, Iowa, with an average temperature fluctuating between 80.2°F (26.8°C) and 64.4°F (18°C). July, on average, is the warmest month, registering a high temperature of 80.2°F (26.8°C) and a low of 64.4°F (18°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Bertram, Iowa, with an average temperature varying between 79.3°F (26.3°C) and 61.7°F (16.5°C). As Bertram welcomes August, the average high-temperature stabilizes at a still moderately hot 79.3°F (26.3°C), showing little deviation from July's 80.2°F (26.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bertram, Iowa, with an average temperature ranging between min 54.9°F (12.7°C) and max 74.1°F (23.4°C). Bertram experiences a transition to a still moderately hot 74.1°F (23.4°C) in average high-temperatures with the arrival of September, not greatly differing from August's 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Bertram, Iowa, with an average temperature fluctuating between 59.9°F (15.5°C) and 43.9°F (6.6°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 74.1°F (23.4°C) to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Bertram, Iowa, with an average temperature fluctuating between 45.3°F (7.4°C) and 31.8°F (-0.1°C). The beginning of November marks a clear shift in the average high-temperature, receding from October's moderate 59.9°F (15.5°C) to a chilly 45.3°F (7.4°C). Weather in November »
Weather in December
December, the first month of the winter in Bertram, is still a cold month, with an average temperature varying between 22.3°F (-5.4°C) and 33.1°F (0.6°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 45.3°F (7.4°C) to an icy 33.1°F (0.6°C). Weather in December »
Updated: Aug 23, 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
What part of the year is the coldest?
With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.2°F (-9.9°C), January is the coldest month.
What is the most humid month?
January is the most humid month, with an average relative humidity of 85%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 1.34" (34mm) of precipitation.
How many days does it rain?
In Bertram, during the entire year, the rain falls for 147.9 days and collects up to 31.57" (802mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 12.7 days and accumulates 5.79" (147mm) of snow.
How much does it snow?
Throughout the year, there are 44 snowfall days, and 18.35" (466mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4h of sunshine, January has the least sunshine of the year.
When is Daylight Saving Time (DST) in Bertram?
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.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 19 days and typically aggregates up to 5" (127mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What are the warmest months?
July is the warmest month, exhibiting average temperatures of 80.2°F (26.8°C) at the peak and 64.4°F (18°C) at the base.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.8h of sunshine.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month?
The least humid month is October, with an average relative humidity of 73%.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
When is the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Bertram, IA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure
Bertram, IA
- Average pressure in January:
30.14"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Bertram, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - 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
Bertram, IA
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Bertram, IA
- Average rainfall in January:
1.34" - Average rainfall in February:
1.38" - Average rainfall in March:
2.05" - Average rainfall in April:
3.43" - Average rainfall in May:
5" - Average rainfall in June:
4.37"
- Average rainfall in July:
3.31" - Average rainfall in August:
2.09" - Average rainfall in September:
2.72" - Average rainfall in October:
2.56" - Average rainfall in November:
1.77" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days
Bertram, IA
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
19 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
14 days - Average rainfall days in September:
12 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).
Average snowfall
Bertram, IA
The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bertram, IA
- Average snowfall days in January:
12.7 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1.4 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:
0.7 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bertram, IA
- Average daylight in January:
9h and 3min - 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 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
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: 4h and 0min).
Average sunshine days
Bertram, IA
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
14 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).
Average UV index
Bertram, 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
Bertram, IA
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Bertram, 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).
Bertram, Iowa, USA
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