Climate and monthly weather forecast
Saint Olaf, IA

Share

Weather in January

January, the same as December, in Saint Olaf, Iowa, is a freezing cold winter month, with an average temperature varying between 23.5°F (-4.7°C) and 10.9°F (-11.7°C). The coldest time of the year is January, with temperatures averaging a high of 23.5°F (-4.7°C) and a low of 10.9°F (-11.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Saint Olaf, Iowa, with an average temperature fluctuating between 13.8°F (-10.1°C) and 27.1°F (-2.7°C). The onset of February brings an average high-temperature of a still subzero cold 27.1°F (-2.7°C), nearly matching the January temperature. Weather in February »

Weather in March

March, the first month of the spring in Saint Olaf, is a wintry month, with an average temperature fluctuating between 42.3°F (5.7°C) and 27.9°F (-2.3°C). March is characterized by a clear rise in the average high-temperature, escalating from February's subzero cold 27.1°F (-2.7°C) to an icy 42.3°F (5.7°C). Weather in March »

Weather in April

April in Saint Olaf, Iowa, is a fresh spring month, with an average temperature varying between 54.5°F (12.5°C) and 38.1°F (3.4°C). Saint Olaf in April experiences an increase in the average high-temperature, moving from March's wintry 42.3°F (5.7°C) to a cool 54.5°F (12.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Saint Olaf, Iowa, with an average temperature varying between 66.7°F (19.3°C) and 49.3°F (9.6°C). In May, the average high-temperature increases from a fresh 54.5°F (12.5°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Saint Olaf, Iowa, with an average temperature fluctuating between 75.6°F (24.2°C) and 59.2°F (15.1°C). Saint Olaf's June weather indicates a minor ascent in high-temperatures, adjusting from a refreshing 66.7°F (19.3°C) in May to a moderately hot 75.6°F (24.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Saint Olaf, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 79.3°F (26.3°C). With average high temperatures of 79.3°F (26.3°C) and lows of 62.4°F (16.9°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Saint Olaf, is another warm month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 77.7°F (25.4°C). August's climate shows a minor adjustment in average high-temperatures to a still warm 77.7°F (25.4°C) from July's 79.3°F (26.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Saint Olaf, is still a pleasant month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 52.7°F (11.5°C). September is characterized by a mild reduction in the average high-temperature, from a moderately hot 77.7°F (25.4°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Saint Olaf, Iowa, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 57.7°F (14.3°C). In October, the meteorological conditions alter, with the average high-temperature shifting from an agreeable 71.8°F (22.1°C) in September to a refreshing 57.7°F (14.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Saint Olaf, is also a frosty month, with temperature in the range of an average low of 29.8°F (-1.2°C) and an average high of 43.2°F (6.2°C). November signals a significant shift in the average high-temperature, falling from October's mild 57.7°F (14.3°C) to a frosty 43.2°F (6.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Saint Olaf, Iowa, with an average temperature fluctuating between 19.9°F (-6.7°C) and 30°F (-1.1°C). With the onset of December, Saint Olaf experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 43.2°F (6.2°C) in November to a subzero cold 30°F (-1.1°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

With average temperatures fluctuating between a high of 23.5°F (-4.7°C) and a low of 10.9°F (-11.7°C), January stands out as the coldest month.

What are the most humid months?

The months with the highest humidity in Saint Olaf are January and February, with an average relative humidity of 88%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4.2 days and typically collects 1.1" (28mm) of precipitation.

How many days does it rain?

In Saint Olaf, during the entire year, the rain falls for 138 days and collects up to 29.21" (742mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall in Saint Olaf.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 11.4 days and accumulates 5.04" (128mm) of snow.

How many days does it snow?

Throughout the year, there are 48.5 snowfall days, and 19.76" (502mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.6h of sunshine, January has the least sunshine of the year in Saint Olaf.

What is the month with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Saint Olaf?

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 month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Saint Olaf.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 18.4 days and typically aggregates up to 4.25" (108mm) of precipitation.

When it does not snow?

In Saint Olaf, 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 18min of daylight.

What is the warmest month in Saint Olaf?

Saint Olaf records the warmest temperatures in July, averaging a high of 79.3°F (26.3°C) and a low of 62.4°F (16.9°C).

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.9h of sunshine.

What is the least humid month in Saint Olaf?

October is the least humid month, with an average relative humidity of 75%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Saint Olaf, IA

Average temperature - Saint Olaf, IA

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.5°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure
Saint Olaf, IA

Average pressure - Saint Olaf, IA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Saint Olaf, IA

Average wind speed - Saint Olaf, IA

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity
Saint Olaf, IA

Average humidity - Saint Olaf, IA

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).

Average rainfall
Saint Olaf, IA

Average rainfall - Saint Olaf, IA

The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days
Saint Olaf, IA

Average rainfall days - Saint Olaf, IA

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (3.6 days).

Average snowfall
Saint Olaf, IA

Average snowfall - Saint Olaf, IA

The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Saint Olaf, IA

Average snowfall days - Saint Olaf, IA

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Saint Olaf, IA

Average daylight / Average sunshine - Saint Olaf, IA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Saint Olaf, IA

Average sunshine days - Saint Olaf, IA

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.9 days).

Average UV index
Saint Olaf, IA

Average UV index - Saint Olaf, IA

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average visibility
Saint Olaf, IA

Average visibility - Saint Olaf, IA

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

Saint Olaf, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location