Climate and monthly weather forecastShamrock, OK
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
The months with the least rainfall are January and December Rain falls for 5.2 days and accumulates 1.06" (27mm) of rain.
In Shamrock, during the entire year, the rain falls for 124 days and collects up to 26.85" (682mm) of precipitation.
Months with snowfall are January through March, November and December.
In Shamrock, during the entire year, snow falls for 5.9 days and aggregates up to 3.27" (83mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 1.73" (44mm) of snow.
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.
April through October are months without snowfall.
The most humid month is May, with an average relative humidity of 79%.
May is the month with the most rainfall. Rain falls for 14.9 days and accumulates 4.33" (110mm) of precipitation.
June has the longest days of the year, with an average of 14h and 36min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
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).
With an average relative humidity of 65%, August is the least humid month.
August has the most sunshine of the year, with an average of 11h of sunshine.
December has the shortest days of the year, with an average of 9h and 48min of daylight.
The month with the least sunshine is December, with an average of 5.7h of sunshine.
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 in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"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 (29.88"Hg).
Average wind speed
Shamrock, OK
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.5mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
9.5mph
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 humidity
Shamrock, OK
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall
Shamrock, OK
- Average rainfall in January:
1.06" - Average rainfall in February:
1.22" - Average rainfall in March:
2.05" - Average rainfall in April:
2.6" - Average rainfall in May:
4.33" - Average rainfall in June:
1.85"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.76" - Average rainfall in September:
3.31" - Average rainfall in October:
2.99" - Average rainfall in November:
1.18" - Average rainfall in December:
1.06"
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 in January:
5.2 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
10.6 days
- Average rainfall days in July:
12.9 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
6 days
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
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 in January:
1.6 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1 days
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 in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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).
- Average sunshine in January:
5h and 54min - Average sunshine in February:
6h and 42min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 42min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 42min
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 in January:
22.8 days - Average sunshine days in February:
17.6 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
16.2 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
21 days - Average sunshine days in December:
22.3 days
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
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 cloud cover
Shamrock, OK
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
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).
