Climate and monthly weather forecast
Brunswick, MO

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Weather in January

January, the same as December, is an icy winter month in Brunswick, Missouri, with an average temperature ranging between max 35.2°F (1.8°C) and min 21.6°F (-5.8°C). January tends to be the coldest month, with temperatures averaging a daily high of 35.2°F (1.8°C) and a low of 21.6°F (-5.8°C). Weather in January »

Weather in February

February, the last month of the winter in Brunswick, is also a wintry month, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 39.4°F (4.1°C). The start of February sees the average high-temperature at a still wintry 39.4°F (4.1°C), showing little difference from January's 35.2°F (1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Brunswick, is a cool month, with an average temperature ranging between min 36.9°F (2.7°C) and max 53.1°F (11.7°C). The arrival of March brings an increase in high-temperatures, moving from an icy 39.4°F (4.1°C) in February to a fresh 53.1°F (11.7°C). Weather in March »

Weather in April

April is a refreshing spring month in Brunswick, Missouri, with an average temperature fluctuating between 64°F (17.8°C) and 45.9°F (7.7°C). Brunswick's weather in April presents a rise in the average high-temperature, moving from a cool 53.1°F (11.7°C) in March to a refreshing 64°F (17.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Brunswick, Missouri, with an average temperature fluctuating between 73°F (22.8°C) and 55.9°F (13.3°C). With the onset of May, the average high-temperature slightly shifts from April's comfortable 64°F (17.8°C) to an agreeable 73°F (22.8°C). Weather in May »

Weather in June

June, the first month of the summer in Brunswick, is a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 65.3°F (18.5°C). June brings a rise in Brunswick's average high-temperature, moving from a pleasant 73°F (22.8°C) in May to a warm 83.1°F (28.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Brunswick, Missouri, with an average temperature ranging between min 67.6°F (19.8°C) and max 85.1°F (29.5°C). July, with average temperatures reaching a high of 85.1°F (29.5°C) and a low of 67.6°F (19.8°C), is the warmest month. In July, the average heat index is computed to be a very hot 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Brunswick, Missouri, with an average temperature ranging between max 84.4°F (29.1°C) and min 65.3°F (18.5°C). The advent of August reveals an average high-temperature of a still moderately hot 84.4°F (29.1°C), showing minimal difference from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Brunswick, Missouri, with an average temperature ranging between min 58.6°F (14.8°C) and max 78.4°F (25.8°C). A subtle shift in Brunswick's weather is observed as August turns into September, with the average high temperature reducing from 84.4°F (29.1°C) to a still warm 78.4°F (25.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Brunswick, Missouri, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 64.9°F (18.3°C). Brunswick's progression into October involves a drop in the average high-temperature, receding from a moderately hot 78.4°F (25.8°C) in September to an enjoyable 64.9°F (18.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Brunswick, is another cool month, with an average temperature ranging between min 36.1°F (2.3°C) and max 52°F (11.1°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 64.9°F (18.3°C) in October to a cool 52°F (11.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Brunswick, Missouri, with an average temperature varying between 27°F (-2.8°C) and 40.1°F (4.5°C). December's arrival comes with a decrease in the average high-temperature, moving from a fresh 52°F (11.1°C) in November to an icy 40.1°F (4.5°C). Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Brunswick?

With its average high temperature of 35.2°F (1.8°C) and a low of 21.6°F (-5.8°C), January is regarded as the coldest month in Brunswick.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 1.18" (30mm) of precipitation.

How much does it rain?

In Brunswick, during the entire year, the rain falls for 134.1 days and collects up to 28.9" (734mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

Throughout the year, in Brunswick, there are 18.1 snowfall days, and 9.76" (248mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.7h of sunshine.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 5.5 days and typically aggregates up to 3.35" (85mm) 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?

May through July, with an average relative humidity of 79%, are most humid months in Brunswick.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.94" (100mm) of precipitation.

When it does not snow?

In Brunswick, 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 14h and 54min 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 time of the year is the hottest?

Brunswick's warmest temperatures are experienced in July, with average high temperatures of 85.1°F (29.5°C) and lows of 67.6°F (19.8°C).

What month has the most sunshine?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

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?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Brunswick, MO

Average temperature - Brunswick, MO

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure
Brunswick, MO

Average pressure - Brunswick, MO

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
Brunswick, MO

Average wind speed - Brunswick, MO

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
Brunswick, MO

Average humidity - Brunswick, MO

The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Brunswick, MO

Average rainfall - Brunswick, MO

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days
Brunswick, MO

Average rainfall days - Brunswick, MO

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.2 days).

Average snowfall
Brunswick, MO

Average snowfall - Brunswick, MO

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Brunswick, MO

Average snowfall days - Brunswick, MO

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Brunswick, MO

Average daylight / Average sunshine - Brunswick, MO

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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days
Brunswick, MO

Average sunshine days - Brunswick, MO

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.6 days).

Average UV index
Brunswick, MO

Average UV index - Brunswick, 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 visibility
Brunswick, MO

Average visibility - Brunswick, 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).

Brunswick, Missouri, USA

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