October weather forecast and climate
Hagåtña, GU

Weather in October

October, like September, in Hagåtña, Guam, is another warm autumn month, with average temperature ranging between min 82.6°F (28.1°C) and max 84.4°F (29.1°C).

Temperature

In October, the average high-temperature remains the same as in September - a still warm 84.4°F (29.1°C). In October, the average low-temperature is 82.6°F (28.1°C).

Heat index

In October, the average heat index is evaluated at a tropical 94.3°F (34.6°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the highest humidity are January, March through May, October through December, with an average relative humidity of 78%.

Rainfall

In Hagåtña, Guam, it is raining for 28.7 days, with typically 8.46" (215mm) of accumulated precipitation. Throughout the year, in Hagåtña, there are 288.5 rainfall days, and 60.08" (1526mm) of precipitation is accumulated.

Ocean temperature

In October, the average ocean temperature is 85.1°F (29.5°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Hagåtña, the average length of the day is 11.8h.

Sunshine

In October, the average sunshine is 6.9h.

UV index

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 vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
[Resources]

FAQ

What is the temperature in October in Hagåtña?

In Hagåtña, in October, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 82.6°F (28.1°C). In October, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, is evaluated at 94.3°F (34.6°C).

What is the most humid month in Hagåtña?

January, March through May, October through December, with an average relative humidity of 78%, are most humid months in Hagåtña, Guam.

What is the average humidity in October in Hagåtña?

In October, the average relative humidity in Hagåtña is 78%.

How many days does it rain in October in Hagåtña?

In Hagåtña, Guam, during October, the rain falls for 28.7 days and regularly aggregates up to 8.46" (215mm) of precipitation.

What is the water temperature in October in Hagåtña?

In Hagåtña, the average seawater temperature in October is 85.1°F (29.5°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Hagåtña have in October?

In Hagåtña, the average length of the day in October is 11.8h.

How long on average sun shines in October in Hagåtña?

In October, the average sunshine in Hagåtña is 6.9h.

What are the months with the highest UV index in Hagåtña?

Months with the highest UV index are January through August, October through December, with an average maximum UV index of 7.

What is the UV index reading in October in Hagåtña?

The average daily maximum UV index in October in Hagåtña, Guam, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in October
Hagåtña, GU

Average temperature in October - Hagåtña, 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).

[Resources]

Average pressure in October
Hagåtña, GU

Average pressure in October - Hagåtña, GU
  • Average pressure in October: 29.79"

The month with the highest atmospheric pressure is February (29.88").
Months with the lowest atmospheric pressure are August, September and October (29.79").

[Resources]

Average wind speed in October
Hagåtña, GU

Average wind speed in October - Hagåtña, 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).

[Resources]

Average humidity in October
Hagåtña, GU

Average humidity in October - Hagåtña, GU
  • Average humidity in October: 78%

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%).

[Resources]

Average rainfall in October
Hagåtña, GU

Average rainfall in October - Hagåtña, 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").

[Resources]

Average rainfall days in October
Hagåtña, GU

Average rainfall days in October - Hagåtña, GU
  • Average rainfall days in October: 28.7 days

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).

[Resources]

Average sea temperature in October
Hagåtña, GU

Average sea temperature in October - Hagåtña, GU
  • Average sea temperature in October: 85°F

The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).

[Resources]

Average daylight in October /
Average sunshine in October
Hagåtña, GU

Average daylight in October / Average sunshine in October - Hagåtña, GU
  • Average daylight in October: 11.8h

The month with the longest days is June (Average daylight: 12.9h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in October: 6.9h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is November (Average sunshine: 6.3h).

[Resources]

Average sunshine days in October
Hagåtña, GU

Average sunshine days in October - Hagåtña, 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).

[Resources]

Average UV index in October
Hagåtña, GU

Average UV index in October - Hagåtña, GU
  • Average UV index in October: 7

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).

[Resources]

Average cloud cover in October
Hagåtña, GU

Average cloud cover in October - Hagåtña, GU
  • Average cloud cover in October: 46

Months with the most cloud cover are January, August and October (Cloud cover 46).
Months with the least cloud cover are May and June (Cloud cover 39).

[Resources]

Average visibility in October
Hagåtña, GU

Average visibility in October - Hagåtña, GU
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]