Monthly Weather in Galveston, United States
What is the average monthly temperature in Galveston?
The average monthly temperature in Galveston, Texas, United States ranges from 15.9°C (60.6°F) in December to 31°C (87.7°F) in August. Galveston temperature by month is given in the table below.
Month | Celsius | Fahrenheit |
---|---|---|
January | 16.4°C | 61.5°F |
February | 16.4°C | 61.5°F |
March | 20.3°C | 68.5°F |
April | 21.8°C | 71.2°F |
May | 25.5°C | 77.9°F |
June | 28.5°C | 83.3°F |
July | 30.0°C | 86.0°F |
August | 31.0°C | 87.8°F |
September | 29.6°C | 85.3°F |
October | 23.6°C | 74.5°F |
November | 17.7°C | 63.9°F |
December | 15.9°C | 60.6°F |
What is the hottest month in Galveston?
The hottest months in Galveston are August, July and September. During August the average temperature outside is 31°C (87.8°F), in July it is 30°C (86°F) and during September the air temperature is around 29.6°C (85.3°F).
What is the coldest month in Galveston?
The coldest months in Galveston are December, January and February. In December the average air temperature drops to 15.9°C (60.6°F), in January air temperature is 16.4°C (61.5°F) and during February it is 16.4°C (61.5°F).
How much does it rain on average in Galveston?
On average it rains for 12 month(s) in Galveston, United States with an average of 9.3 days of rain per month. In total Galveston has 112 rainy days in a year.
When does it rain the most in Galveston?
In Galveston it rains the most during the following months.
- April - on average 4.03mm (0.16 inches) of rainfall per day.
- November - on average 3.95mm (0.16 inches) of rainfall per day.
- May - on average 2.42mm (0.1 inches) of rainfall per day.
- December - on average 2.13mm (0.08 inches) of rainfall per day.
- October - on average 2mm (0.08 inches) of rainfall per day.
- January - on average 1.74mm (0.07 inches) of rainfall per day.
Does it snow in Galveston?
No, it doesn't snow in Galveston.
When is it windy in Galveston?
The windiest months in Galveston, United States are April, March and February. In April the average windspeed is 26.8 km/h (16.7 mph), during March the windspeed is 24.4 km/h (15.2 mph) and in February the windspeed is 23.9 km/h (14.9 mph).
What are the least windy months in Galveston?
The least windy months in Galveston are September, May and July. In September the average windspeed is 18.8 km/h (11.7 mph), during May the windspeed is 19.8 km/h (12.3 mph) and in July the windspeed is 19.9 km/h (12.4 mph).
When is it cloudy in Galveston?
The cloudiest months in Galveston, United States are March, February and January. On average in March 63.8% of sky is covered by clouds, in February 60.2% is covered by clouds and in January clouds cover about 55.9% of sky.
When does Galveston have the clearest sky?
Galveston has the clearest sky in August, September and July. In August 10.2% of sky is covered by clouds, in September clouds cover around 17.1% and during July clouds cover about 17.5% of sky.
What is the average daylight duration in Galveston?
The average daylight duration in Galveston is 12 hours 9 minutes 40 seconds.
Which months have the most daylight in Galveston?
The longest days in Galveston are during June, July and May.
- June - 13 hours 59 minutes 15 seconds of daylight.
- July - 13 hours 48 minutes 22 seconds of daylight.
- May - 13 hours 37 minutes 15 seconds of daylight.
Which months have the least daylight in Galveston?
The shortest days in Galveston are during December, January and November.
- December - 10 hours 18 minutes 12 seconds of daylight.
- January - 10 hours 30 minutes 45 seconds of daylight.
- November - 10 hours 41 minutes 37 seconds of daylight.
What are the humidity levels in Galveston throughout the year?
Humidity levels in Galveston, United States range from 70.7% in September to 81.6% in February.
What are the pressure levels in Galveston throughout the year?
Pressure levels in Galveston change from 1011.1 mb (millibars) in June to 1020.3 mb in December.
What is the visibility in Galveston throughout the year?
Visibility in Galveston changes from lowest 11.4 km (7.1 miles) in February to highest 15.9 km (9.9 miles) in August.
What are the UV levels in Galveston throughout the year?
UV levels change in Galveston from 4.6 in January to 9 in June.
Which months have the highest UV levels in Galveston throughout the year?
In Galveston, United States the highest UV index is during June, July and August. During June the average UV index is 9, in July UV level is 8.8 and in August UV index is around 8.5.
Which months have the lowest UV levels in Galveston throughout the year?
The lowest UV levels in Galveston are in January, November and December. In January the average UV index is around 4.6, in November UV index is 5.2 and during December UV level is 5.2.