October weather forecastAgat, GU
October
Weather in October
October predicts the onset of cooler months in Agat and also represents a respite from the high rainfall of previous months. The weather conditions start to slightly cool down from the high heat of summer, though temperatures remain balmy for the warmth seekers. The humidity and rainfall, upon transition from September to October, register a considerable decline, bringing pleasant conditions across the town. As November approaches, Agat experiences a noticeable decrease in rainfall and a slight cool down in temperature.Temperature
Agat, welcoming October, observes an average high-temperature of a still warm 84.4°F (29.1°C), remaining consistent with the preceding month. In Agat, a slight decrease from the daytime peak is noted during the month of October, with an average low-temperature of 82.6°F (28.1°C).Heat index
October's mean heat index is computed to be a sweltering 95°F (35°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
January, March through May, October through December, with an average relative humidity of 78%, are the most humid months in Agat.Rainfall
In Agat, in October, during 28.7 rainfall days, 8.46" (215mm) of precipitation is typically accumulated. In Agat, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.Daylight
In Agat, 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 6:15 am and sunset at 5:54 pm ChST.
Sunshine
In October, the average sunshine is 6.9h.UV index
The months with the highest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During October, 7 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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
Agat, 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).





