Weather in Agana in January 2018

  • 30°C maximum daytime temperature in January in Agana30
    30°C max day temperature
  • 6 hours of sunshine per day (50% of daylight hours) in January in Agana6
    6 hours of sunshine per day
  • 23 days with some rainfall in January in Agana23
    23 days with some rainfall
  • 24°C minimum night-time temperature in January in Agana24
    24°C min night temperature
  • 11 hours of daylight per day in January in Agana11
    11 hours of daylight per day
  • High heat & humidity in January in AganaH
    High heat & humidity
  • 130 mm monthly rainfall in January in Agana130
    130 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Agana10
    10 (Very High) UV index
  • 28°C sea temperature in January in Agana28
    28°C sea temperature

Going to Agana? Find the best month to visit Agana based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Agana in January. Check more long-term weather averages for Agana in January before you book your next holiday to Guam in 2018.

  • Search Momondo for cheap flights to Guam
  • Find the best prices & flight routes from top airlines
  • Compare leading flight offers before booking online

More about Agana

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Guide to Agana weather in January

The average maximum daytime temperature in Agana in January is a hot 30°C (86°F) with high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 6 hours of bright sunshine each day, which represents 50% of the 11 hours of daylight.

Expect 130mm (5.1 inches) of rainfall across the whole of January with 23 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

The average sea temperature in and around Agana in January is 28°C (82°F).

Agana sunrise & sunset times for January 2018

Browse the sunrise & sunset times for Agana in January 2018. Select a month to view Agana sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Monday, 1st January 2018 06:44 18:05
Tuesday, 2nd January 2018 06:44 18:05
Wednesday, 3rd January 2018 06:45 18:06
Thursday, 4th January 2018 06:45 18:07
Friday, 5th January 2018 06:45 18:07
Saturday, 6th January 2018 06:46 18:08
Sunday, 7th January 2018 06:46 18:08
Monday, 8th January 2018 06:46 18:09
Tuesday, 9th January 2018 06:47 18:09
Wednesday, 10th January 2018 06:47 18:10
Thursday, 11th January 2018 06:47 18:11
Friday, 12th January 2018 06:47 18:11
Saturday, 13th January 2018 06:47 18:12
Sunday, 14th January 2018 06:48 18:12
Monday, 15th January 2018 06:48 18:13
Tuesday, 16th January 2018 06:48 18:13
Wednesday, 17th January 2018 06:48 18:14
Thursday, 18th January 2018 06:48 18:14
Friday, 19th January 2018 06:48 18:15
Saturday, 20th January 2018 06:48 18:15
Sunday, 21st January 2018 06:48 18:16
Monday, 22nd January 2018 06:49 18:17
Tuesday, 23rd January 2018 06:49 18:17
Wednesday, 24th January 2018 06:49 18:18
Thursday, 25th January 2018 06:49 18:18
Friday, 26th January 2018 06:49 18:19
Saturday, 27th January 2018 06:48 18:19
Sunday, 28th January 2018 06:48 18:19
Monday, 29th January 2018 06:48 18:20
Tuesday, 30th January 2018 06:48 18:20
Wednesday, 31st January 2018 06:48 18:21
  • Save an extra 10% on worldwide car hire
  • Book with the exclusive Argus Car Hire discount code
  • Travel before 31st December 2018 (inclusive)
Show discount code ******8AN

Expires at 23:59 on Wednesday 31st January 2018 · View all Argus Car Hire offers

Back to top

Agana weather by month

Check Agana weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

More Guam destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^