October weather forecastTalofofo, GU
October
Weather in October
October brings Talofofo into the heart of autumn with a substantial increase in wind speed from 9.9mph (15.9km/h) in September to 11.2mph (18km/h), reinforcing the changing weather environment. October shifts away from the warmth and humidity of summer, bringing forth an air of more relaxed, calm weather. The cooling trend aided by the slight rise in wind speeds imparts a refreshing change to the daily weather update. The UV levels remain consistent, coupled with a marginal increase in cloud cover from September, signifying a transition towards cooler months. Despite the rise in wind speed, October weather remains settled, easing Talofofo gently into the last quarter of the year.Temperature
As October takes hold, the average high-temperature is a still moderately hot 84.4°F (29.1°C), nearly mirroring that of the previous month. The month of October is marked by an average minimum temperature of 82.6°F (28.1°C), slightly cooler than its daytime counterpart.Heat index
The heat index for October is evaluated at a sweltering 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.Rainfall
In October, the rain falls for 28.7 days. Throughout October, 8.46" (215mm) of precipitation is accumulated. In Talofofo, Guam, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.Daylight
The average length of the day in October is 11h and 50min.On the first day of the month, sunrise is at 6:10 am and sunset at 6:11 pm. On the last day of October, sunrise is at 6:14 am and sunset at 5:54 pm ChST.
Sunshine
In October, the average sunshine is 6.9h.UV index
January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In October, a daily UV index of 7 turns into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Talofofo, GU
- Average high temperature in October: 84.4°F
The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is February (81.7°F).
- Average low temperature in October: 82.6°F
The month with the highest average low temperature is June (83.3°F).
The coldest month (with the lowest average low temperature) is February (79.7°F).
Average pressure in October
Talofofo, GU
- Average pressure in October: 29.79"Hg
The month with the highest atmospheric pressure is February (29.88"Hg).
The months with the lowest atmospheric pressure are August, September and October (29.79"Hg).
Average wind speed in October
Talofofo, GU
- Average wind speed in October: 11.2mph
The windiest month (with the highest average wind speed) is February (16.3mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in October
Talofofo, GU
- Average humidity in October: 78%
The months with the highest relative humidity are January, March, April, May, October, November and December (78%).
The month with the lowest relative humidity is August (76%).
Average rainfall in October
Talofofo, GU
- Average rainfall in October: 8.46"
The wettest month (with the highest rainfall) is September (10.28").
The driest month (with the least rainfall) is March (1.81").
Average rainfall days in October
Talofofo, GU
- Average rainfall days in October: 28.7 days
The months with the highest number of rainy days are July and August (28.9 days).
The month with the least rainy days is February (17.5 days).
Average daylight in October /
Average sunshine in October
Talofofo, GU
- Average daylight in October: 11h and 48min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in October
Talofofo, GU
- Average sunshine days in October: 1.4 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is September (1.1 days).
Average UV index in October
Talofofo, GU
- Average UV index in October: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
The month with the lowest UV index is September (UV index 6).
Average cloud cover in October
Talofofo, GU
- Average cloud cover in October: 46
The months with the most cloud cover are January, August and October (Cloud cover 46).
The months with the least cloud cover are May and June (Cloud cover 39).
Average visibility in October
Talofofo, GU
- 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).





