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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, like December, is another subzero cold winter month in Bartlett, Iowa, with temperature in the range of an average low of 17.2°F (-8.2°C) and an average high of 31.1°F (-0.5°C). In Bartlett, Iowa, the month of January is known for its lowest average temperatures, reaching a high of 31.1°F (-0.5°C) and a low of 17.2°F (-8.2°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Bartlett, Iowa, with an average temperature ranging between max 35.2°F (1.8°C) and min 20.3°F (-6.5°C). A minor adjustment in Bartlett's average high-temperature is noted with the start of February, touching an icy 35.2°F (1.8°C) from January's 31.1°F (-0.5°C). Weather in February »
Weather in March
March, the first month of the spring in Bartlett, is a fresh month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 50.5°F (10.3°C). With the onset of March, Bartlett's weather experiences a distinct temperature rise, moving from an icy 35.2°F (1.8°C) in February to a fresh 50.5°F (10.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Bartlett, Iowa, with an average temperature ranging between max 61.7°F (16.5°C) and min 43.3°F (6.3°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a cool 50.5°F (10.3°C) in March to an enjoyable 61.7°F (16.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Bartlett, Iowa, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 71.4°F (21.9°C). The start of May brings a shift in the average high-temperature, increasing from April's enjoyable 61.7°F (16.5°C) to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Bartlett, Iowa, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.2°F (17.9°C). A rise in the average high-temperature is observed during June, moving from an agreeable 71.4°F (21.9°C) in May to a warm 81.9°F (27.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Bartlett, Iowa, with an average temperature varying between 84.7°F (29.3°C) and 66.6°F (19.2°C). In Bartlett, July is the warmest month, with temperatures averaging a high of 84.7°F (29.3°C) and a low of 66.6°F (19.2°C). In July, the average heat index is estimated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Bartlett, Iowa, with an average temperature fluctuating between 63.1°F (17.3°C) and 82.8°F (28.2°C). Bartlett experiences a minor change to a still moderately hot 82.8°F (28.2°C) in average high-temperature during August, closely reflecting July. Weather in August »
Weather in September
September, the first month of the autumn in Bartlett, is still a warm month, with an average temperature varying between 57.4°F (14.1°C) and 77°F (25°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 82.8°F (28.2°C) in August to a still warm 77°F (25°C). Weather in September »
Weather in October
October, like September, in Bartlett, Iowa, is another refreshing autumn month, with an average temperature varying between 62.8°F (17.1°C) and 45.5°F (7.5°C). With the onset of October, Bartlett experiences a modest temperature adjustment, with the average high-temperature receding from a warm 77°F (25°C) in September to a refreshing 62.8°F (17.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Bartlett, Iowa, with an average temperature varying between 49.3°F (9.6°C) and 34°F (1.1°C). The transition into November indicates a reduction in the average high-temperature, down to a frosty 49.3°F (9.6°C) from October's comfortable 62.8°F (17.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Bartlett, Iowa, with temperature in the range of an average low of 22.6°F (-5.2°C) and an average high of 35.1°F (1.7°C). December's onset brings a slight change in high-temperatures, falling from a frosty 49.3°F (9.6°C) in November to a cold 35.1°F (1.7°C). Weather in December »
Updated: Aug 25, 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 time of the year is the coldest in Bartlett?
In Bartlett, the lowest temperatures are generally noted in January, averaging a high of 31.1°F (-0.5°C) and a low of 17.2°F (-8.2°C).
What is the most humid month?
With an average relative humidity of 80%, January is the most humid month.
How much does it rain?
Throughout the year, there are 122.8 rainfall days, and 26.69" (678mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 7.2 days and accumulates 3.15" (80mm) of snow.
How many days does it snow?
In Bartlett, during the entire year, snow falls for 28.2 days and aggregates up to 10.91" (277mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.6h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 3.2 days and typically collects 0.71" (18mm) of precipitation.
When is Daylight Saving Time (DST)?
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 wettest month?
The month with the most rainfall is June, when the rain falls for 15.2 days and typically aggregates up to 4.33" (110mm) of precipitation.
When it does not snow?
In Bartlett, Iowa, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
July is the warmest month, with the temperature often reaching an average high of 84.7°F (29.3°C) and an average low of 66.6°F (19.2°C).
What month has the most sunshine?
The month with the most sunshine in Bartlett is July, with an average of 10.3h of sunshine.
What is the least humid month?
With an average relative humidity of 66%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Bartlett, IA
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure
Bartlett, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"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 (29.86"Hg).
Average wind speed
Bartlett, IA
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity
Bartlett, IA
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall
Bartlett, IA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.71" - Average rainfall in March:
1.5" - Average rainfall in April:
2.2" - Average rainfall in May:
4.29" - Average rainfall in June:
4.33"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.95" - Average rainfall in September:
2.52" - Average rainfall in October:
2.52" - Average rainfall in November:
0.98" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days
Bartlett, IA
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (3.2 days).
Average snowfall
Bartlett, IA
- Average snowfall in January:
3.15" - Average snowfall in February:
2.28" - Average snowfall in March:
1.5" - Average snowfall in April:
1.26" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bartlett, IA
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
3.4 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:
0.7 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bartlett, IA
- Average daylight in January:
9h and 4min - 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 3min - 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 2min
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 4min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 0min
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 36min).
Average sunshine days
Bartlett, IA
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Bartlett, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Bartlett, IA
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Bartlett, 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).
Bartlett, Iowa, USA
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