Climate and monthly weather forecast
Shamrock, OK

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Weather in January

January, the same as December, in Shamrock, Oklahoma, is a frosty winter month, with an average temperature ranging between max 47.1°F (8.4°C) and min 31.3°F (-0.4°C). Shamrock's January weather, marked by an average high temperature of 47.1°F (8.4°C) and an average low temperature of 31.3°F (-0.4°C), is the coldest in the year. Weather in January »

Weather in February

February, the last month of the winter in Shamrock, is a cool month, with an average temperature ranging between min 34.2°F (1.2°C) and max 50.5°F (10.3°C). Shamrock measures an average high-temperature of a fresh 50.5°F (10.3°C) in February, nearly consistent with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Shamrock, is a comfortable month, with an average temperature varying between 61.7°F (16.5°C) and 44.1°F (6.7°C). The shift from February to March brings an increase in the average high-temperature, moving from a fresh 50.5°F (10.3°C) to an enjoyable 61.7°F (16.5°C). Weather in March »

Weather in April

April is a pleasant spring month in Shamrock, Oklahoma, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 50.7°F (10.4°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from an enjoyable 61.7°F (16.5°C) in March to an agreeable 69.4°F (20.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Shamrock, Oklahoma, with an average temperature fluctuating between 75.9°F (24.4°C) and 59°F (15°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a pleasant 69.4°F (20.8°C) to a moderately hot 75.9°F (24.4°C). Weather in May »

Weather in June

June, the first month of the summer in Shamrock, is a tropical month, with an average temperature ranging between max 87.1°F (30.6°C) and min 69.1°F (20.6°C). The beginning of June signals a rise in the average high-temperature, moving from a warm 75.9°F (24.4°C) in May to a hot 87.1°F (30.6°C). Weather in June »

Weather in July

July, the same as June, in Shamrock, Oklahoma, is a hot summer month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 72.3°F (22.4°C). Temperature records mark July as the warmest month, with highs averaging 91.9°F (33.3°C) and lows at 72.3°F (22.4°C). The heat index for July is evaluated at a blisteringly hot 111.2°F (44°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Shamrock, Oklahoma, with an average temperature varying between 70.3°F (21.3°C) and 91.2°F (32.9°C). As July transitions into August, Shamrock records an average high-temperature of a still tropical 91.2°F (32.9°C), showing a gentle shift from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Shamrock, is also a moderately hot month, with an average temperature varying between 83.7°F (28.7°C) and 64.2°F (17.9°C). Shamrock's September weather features a light decline in high-temperatures, reducing from a hot 91.2°F (32.9°C) in August to a moderately hot 83.7°F (28.7°C). Weather in September »

Weather in October

October, the same as September, in Shamrock, Oklahoma, is an agreeable autumn month, with an average temperature ranging between max 70.9°F (21.6°C) and min 53.1°F (11.7°C). Transition into October marks a drop in the average high-temperature, moving from a warm 83.7°F (28.7°C) in September to an agreeable 70.9°F (21.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Shamrock, is another mild month, with an average temperature ranging between min 43°F (6.1°C) and max 59.2°F (15.1°C). The decrease of average high-temperatures is mild in November, with a decline from a pleasant 70.9°F (21.6°C) in October to a refreshing 59.2°F (15.1°C). Weather in November »

Weather in December

December, the first month of the winter in Shamrock, is still a chilly month, with an average temperature varying between 48.4°F (9.1°C) and 34.3°F (1.3°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's moderate 59.2°F (15.1°C) to a chilly 48.4°F (9.1°C). Weather in December »
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January stands out as Shamrock's coldest month, with temperatures ranging between an average high of 47.1°F (8.4°C) and a low of 31.3°F (-0.4°C).

What is the driest month?

The months with the least rainfall are January and December Rain falls for 5.2 days and accumulates 1.06" (27mm) of rain.

How many days does it rain?

In Shamrock, during the entire year, the rain falls for 124 days and collects up to 26.85" (682mm) of precipitation.

When does it snow?

Months with snowfall are January through March, November and December.

How much does it snow?

In Shamrock, during the entire year, snow falls for 5.9 days and aggregates up to 3.27" (83mm) of snow.

What are the months with the lowest UV index?

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

When does it snow the most?

February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 1.73" (44mm) of snow.

When is Daylight Saving Time (DST) in Shamrock?

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.

When it does not snow?

April through October are months without snowfall.

What is the most humid month?

The most humid month is May, with an average relative humidity of 79%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 14.9 days and accumulates 4.33" (110mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 14h and 36min of daylight.

What are the months with the highest UV index?

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

What are the warmest months?

Shamrock's temperatures tend to reach their peak averages in July, with a high of 91.9°F (33.3°C) and a low of 72.3°F (22.4°C).

What is the least humid month in Shamrock?

With an average relative humidity of 65%, August is the least humid month.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 11h of sunshine.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

What is the month with the least sunshine in Shamrock?

The month with the least sunshine is December, with an average of 5.7h of sunshine.

Average temperature
Shamrock, OK

Average temperature - Shamrock, OK

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.1°F).

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure
Shamrock, OK

Average pressure - Shamrock, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Shamrock, OK

Average wind speed - Shamrock, OK

The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average rainfall
Shamrock, OK

Average rainfall - Shamrock, OK

The wettest month (with the highest rainfall) is May (4.33").
The driest months (with the least rainfall) are January and December (1.06").

Average rainfall days
Shamrock, OK

Average rainfall days - Shamrock, OK

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.2 days).

Average snowfall
Shamrock, OK

Average snowfall - Shamrock, OK

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Shamrock, OK

Average snowfall days - Shamrock, OK

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Shamrock, OK

Average daylight / Average sunshine - Shamrock, OK

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days
Shamrock, OK

Average sunshine days - Shamrock, OK

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (14.3 days).

Average UV index
Shamrock, OK

Average UV index - Shamrock, OK

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average visibility
Shamrock, OK

Average visibility - Shamrock, OK

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).

Shamrock, Oklahoma, USA

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