Climate and monthly weather forecast
Ulm, AR

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Weather in January

January, like December, is another chilly winter month in Ulm, Arkansas, with an average temperature varying between 48.4°F (9.1°C) and 35.4°F (1.9°C). Ulm notes the coldest temperatures in January, with a high average of 48.4°F (9.1°C) and a low of 35.4°F (1.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a fresh month in Ulm, Arkansas, with an average temperature ranging between max 52.5°F (11.4°C) and min 38.7°F (3.7°C). February's advent notes a subtle adjustment in average high-temperature to a cool 52.5°F (11.4°C) from January. Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Ulm, Arkansas, with an average temperature ranging between max 61.9°F (16.6°C) and min 46°F (7.8°C). The arrival of March brings a change in Ulm's weather, with average high-temperatures moving from February's cool 52.5°F (11.4°C) to a refreshing 61.9°F (16.6°C). Weather in March »

Weather in April

April is an agreeable spring month in Ulm, Arkansas, with an average temperature ranging between min 54.1°F (12.3°C) and max 71.1°F (21.7°C). April marks a rise in the average high-temperature, moving from March's refreshing 61.9°F (16.6°C) to a pleasant 71.1°F (21.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Ulm, Arkansas, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.5°F (26.4°C). With the onset of May, the average high-temperature subtly transitions from a pleasant 71.1°F (21.7°C) in April to a warm 79.5°F (26.4°C). Weather in May »

Weather in June

June, the first month of the summer in Ulm, is a hot month, with an average temperature fluctuating between 71.2°F (21.8°C) and 88.3°F (31.3°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a warm 79.5°F (26.4°C) in May to a hot 88.3°F (31.3°C). Weather in June »

Weather in July

July, the same as June, in Ulm, Arkansas, is another hot summer month, with an average temperature fluctuating between 72.9°F (22.7°C) and 90.1°F (32.3°C). The average temperatures reach their apex in July, averaging 90.1°F (32.3°C) at the high end and 72.9°F (22.7°C) at the low end. Throughout July, the heat index is calculated to be a scorching 109.4°F (43°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Ulm, Arkansas, with an average temperature ranging between max 88.5°F (31.4°C) and min 71.1°F (21.7°C). Entering August, the average high-temperature is recorded at a still hot 88.5°F (31.4°C), exhibiting a minimal shift from July's 90.1°F (32.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Ulm, is also a moderately hot month, with an average temperature ranging between max 84.4°F (29.1°C) and min 65.7°F (18.7°C). During September, Ulm records an average high-temperature of a moderately hot 84.4°F (29.1°C), marking a slight divergence from August's 88.5°F (31.4°C). Weather in September »

Weather in October

October, like September, in Ulm, Arkansas, is another warm autumn month, with an average temperature ranging between max 73.4°F (23°C) and min 55.2°F (12.9°C). In Ulm, entering October brings a temperature decrement, reducing from September's 84.4°F (29.1°C) to a still moderately hot 73.4°F (23°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Ulm, Arkansas, with an average temperature ranging between max 60.4°F (15.8°C) and min 45.5°F (7.5°C). As November begins, there is a decrease in the average high-temperature, falling from a warm 73.4°F (23°C) in October to a mild 60.4°F (15.8°C). Weather in November »

Weather in December

December, the first month of the winter in Ulm, is still a cool month, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 51.6°F (10.9°C). A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a mild 60.4°F (15.8°C) to a fresh 51.6°F (10.9°C). Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Ulm, the lowest temperatures are generally noted in January, averaging a high of 48.4°F (9.1°C) and a low of 35.4°F (1.9°C).

How many days does it rain?

In Ulm, during the entire year, the rain falls for 135.1 days and collects up to 22.09" (561mm) of precipitation.

When does it snow?

Months with snowfall are January, February, November and December.

How much does it snow?

In Ulm, during the entire year, snow falls for 3.9 days and aggregates up to 0.87" (22mm) of snow.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 1.5 days and accumulates 0.47" (12mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 4.9h of sunshine.

What is the most humid month?

March is the most humid month, with an average relative humidity of 78%.

When it does not snow?

In Ulm, snow does not fall in March through October.

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 rainiest month?

The month with the most rainfall is April, when the rain falls for 11.2 days and typically aggregates up to 2.44" (62mm) of precipitation.

When are the longest days?

With an average of 14h and 24min of daylight, June has the longest days of the year.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.7h of sunshine.

When is the highest UV index?

The months with the highest UV index are June and August, with an average maximum UV index of 7.

What time of the year is the hottest?

In Ulm, July records the average highest temperatures, peaking at 90.1°F (32.3°C) and reaching a low of 72.9°F (22.7°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 67%.

What is the driest month?

November is the month with the least rainfall in Ulm. Rain falls for 7.4 days and accumulates 1.1" (28mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

Average temperature
Ulm, AR

Average temperature - Ulm, AR

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (48.4°F).

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure
Ulm, AR

Average pressure - Ulm, AR

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Ulm, AR

Average wind speed - Ulm, AR

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average rainfall
Ulm, AR

Average rainfall - Ulm, AR

The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is November (1.1").

Average rainfall days
Ulm, AR

Average rainfall days - Ulm, AR

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (7.4 days).

Average snowfall
Ulm, AR

Average snowfall - Ulm, AR

The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days
Ulm, AR

Average snowfall days - Ulm, AR

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Ulm, AR

Average daylight / Average sunshine - Ulm, AR

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Ulm, AR

Average sunshine days - Ulm, AR

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (13 days).

Average UV index
Ulm, AR

Average UV index - Ulm, AR

The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average visibility
Ulm, AR

Average visibility - Ulm, AR

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).

Ulm, Arkansas, USA

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