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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, in Gilliam, Missouri, is an icy winter month, with an average temperature varying between 35.8°F (2.1°C) and 22.5°F (-5.3°C). Gilliam's January weather, marked by an average high temperature of 35.8°F (2.1°C) and an average low temperature of 22.5°F (-5.3°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Gilliam, is also an icy month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.1°F (-3.3°C). Gilliam marks the onset of February with an average high-temperature of a still cold 40.6°F (4.8°C), subtly divergent from January's 35.8°F (2.1°C). Weather in February »
Weather in March
March, the first month of the spring in Gilliam, is a cool month, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 37.4°F (3°C). March's onset brings a temperature rise, moving from a wintry 40.6°F (4.8°C) in February to a cool 53.6°F (12°C). Weather in March »
Weather in April
April in Gilliam, Missouri, is a comfortable spring month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 64°F (17.8°C). An escalation in the average high-temperature is seen with the onset of April, moving from a cool 53.6°F (12°C) in March to an enjoyable 64°F (17.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Gilliam, Missouri, with an average temperature ranging between max 73.2°F (22.9°C) and min 56.3°F (13.5°C). May brings a temperature increase, with average high-temperatures moving from April's comfortable 64°F (17.8°C) to a pleasant 73.2°F (22.9°C). Weather in May »
Weather in June
June, the first month of the summer in Gilliam, is a moderately hot month, with an average temperature ranging between min 65.7°F (18.7°C) and max 83.5°F (28.6°C). June shows a rise in the average high-temperature, moving from May's pleasant 73.2°F (22.9°C) to a moderately hot 83.5°F (28.6°C). Weather in June »
Weather in July
July in Gilliam, Missouri, is a tropical summer month, with an average temperature ranging between max 86°F (30°C) and min 68°F (20°C). Temperature readings reach their annual highs in July, averaging 86°F (30°C) and a minimum average of 68°F (20°C). In July, the average heat index is computed to be a sweltering 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Gilliam, Missouri, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 84.4°F (29.1°C). Gilliam's weather in August indicates an average high-temperature of a moderately hot 84.4°F (29.1°C), nearly consistent with the 86°F (30°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Gilliam, is also a moderately hot month, with an average temperature fluctuating between 78.8°F (26°C) and 59.2°F (15.1°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from 84.4°F (29.1°C) in August to a still moderately hot 78.8°F (26°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Gilliam, Missouri, with an average temperature fluctuating between 47.7°F (8.7°C) and 65.1°F (18.4°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 78.8°F (26°C) to a comfortable 65.1°F (18.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Gilliam, is also a fresh month, with an average temperature varying between 52.3°F (11.3°C) and 36.5°F (2.5°C). The decrease of average high-temperatures is mild in November, with a decline from a refreshing 65.1°F (18.4°C) in October to a cool 52.3°F (11.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Gilliam, Missouri, with an average temperature varying between 40.6°F (4.8°C) and 27.5°F (-2.5°C). The start of December comes with a reduction in the average high-temperature, receding from a fresh 52.3°F (11.3°C) in November to a wintry 40.6°F (4.8°C). Weather in December »
Updated: Jul 7, 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?
January, with its high-temperature average of 35.8°F (2.1°C) and a low-temperature average of 22.5°F (-5.3°C), is the coldest month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 1.26" (32mm) of precipitation.
How many days does it rain?
In Gilliam, during the entire year, the rain falls for 140.8 days and collects up to 28.78" (731mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Gilliam, during the entire year, snow falls for 24.7 days and aggregates up to 10.83" (275mm) of snow.
What is the month with the least sunshine?
With an average of 4.8h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 7.3 days and typically aggregates up to 3.7" (94mm) of snow.
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 most humid month?
The months with the highest humidity are May and June, with an average relative humidity of 79%.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 17 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
In Gilliam, snow does not fall in June through September.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
June and July, with an average of 10.5h of sunshine, are months with the most sunshine.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month?
July temperatures in Gilliam tend to peak at an average high of 86°F (30°C) and dip to a low of 68°F (20°C).
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Gilliam, MO
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (35.8°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure
Gilliam, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"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:
30.03"Hg - Average pressure in November:
30.11"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 (29.91"Hg).
Average wind speed
Gilliam, MO
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Gilliam, MO
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Gilliam, MO
- Average rainfall in January:
1.26" - Average rainfall in February:
1.5" - Average rainfall in March:
2.28" - Average rainfall in April:
3.11" - Average rainfall in May:
3.98" - Average rainfall in June:
3.11"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days
Gilliam, MO
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (6.2 days).
Average snowfall
Gilliam, MO
- Average snowfall in January:
3.15" - Average snowfall in February:
3.7" - Average snowfall in March:
1.54" - Average snowfall in April:
0.08" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Gilliam, MO
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.5 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.3 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Gilliam, MO
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days
Gilliam, MO
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Gilliam, MO
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, November and December (UV index 2).
Average cloud cover
Gilliam, MO
The months with the most cloud cover are January, February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Gilliam, MO
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).
Gilliam, Missouri, USA
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