Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the arrival of October, Galveston experiences a modest decline in average high-temperatures, transitioning from 84.2°F (29°C) in September to a still warm 78.1°F (25.6°C). In Galveston, the nighttime temperature shows a slight difference from the daytime high, averaging to a pleasant 70.9°F (21.6°C) during October.Humidity
With an average relative humidity of 72%, October is the least humid month.Rainfall
In Galveston, in October, it is raining for 12.5 days, with typically 2.28" (58mm) of accumulated precipitation. In Galveston, Texas, during the entire year, the rain falls for 161.9 days and collects up to 24.33" (618mm) of precipitation.Snowfall
In Galveston, snow does not fall in March through December.Ocean temperature
In October, the average ocean temperature is 77.9°F (25.5°C).Note: Between 77°F (25°C) and 84.2°F (29°C), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.
Daylight
In Galveston, Texas, the average length of the day in October is 11h and 27min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:04 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:33 pm CDT.
Sunshine
The average sunshine in October is 6.9h.UV index
In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In October, a daily UV index of 5 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October in Galveston?
When it does not snow?
What is the water temperature in October?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Galveston, TX
- Average high temperature in October: 78.1°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (59.7°F).
- Average low temperature in October: 70.9°F
The month with the highest average low temperature is August (81.9°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in October
Galveston, TX
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Galveston, TX
- Average wind speed in October: 11.3mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in October
Galveston, TX
- Average humidity in October: 72%
The months with the highest relative humidity are February and March (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Galveston, TX
- Average rainfall in October: 2.28"
The wettest month (with the highest rainfall) is September (4.29").
The driest months (with the least rainfall) are February and March (0.75").
Average rainfall days in October
Galveston, TX
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is January (10.1 days).
Average snowfall days in October
Galveston, TX
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in October
Galveston, TX
- Average sea temperature in October: 77.9°F
The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in October /
Average sunshine in October
Galveston, TX
- Average daylight in October: 11h and 3min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in October: 6h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in October
Galveston, TX
- Average sunshine days in October: 15.8 days
The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in October
Galveston, TX
- Average UV index in October: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in October
Galveston, TX
- Average cloud cover in October: 26
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and October (Cloud cover 26).
Average visibility in October
Galveston, TX
- Average visibility in October: 6mi
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).
Galveston, Texas, USA
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