Guam Climate
Climate Zone and Historical Climate Data
Guam Climatic Classifications
Code | Description | Group | Number of states/regions | States/regions |
---|---|---|---|---|
Af | Tropical rainforest | Tropical | 19 | Agana Heights Agat Asan Barrigada Chalan Pago-Ordot Dededo Hagåtña Inarajan Mangilao Merizo Mongmong-Toto-Maite Piti Santa Rita Sinajana Talofofo Tamuning Umatac Yigo Yona |
Summary: Most regions (19) in Guam lie in the Tropical rainforest climate zone (Köppen: Af). The mean average of annual temperatures range from a high of 28.33°C (82.99°F) in Yigo to a low of 28.33°C (82.99°F) in Agana Heights.
Climate Guam: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 27.77(81.99) | 27.44(81.39) | 27.7(81.86) | 28.29(82.92) | 28.91(84.04) | 29.28(84.7) | 29.34(84.81) | 29.26(84.67) | 29.28(84.7) | 29.05(84.29) | 28.97(84.15) | 28.55(83.39) | 29.34(84.81) |
Average high °C (°F) | 27.77(81.99) | 27.44(81.39) | 27.7(81.86) | 28.29(82.92) | 28.91(84.04) | 29.28(84.7) | 29.34(84.81) | 29.26(84.67) | 29.28(84.7) | 29.05(84.29) | 28.97(84.15) | 28.55(83.39) | 28.65(83.57) |
Daily mean °C (°F) | 27.55(81.59) | 27.16(80.89) | 27.39(81.3) | 27.85(82.13) | 28.58(83.44) | 28.98(84.16) | 28.96(84.13) | 28.9(84.02) | 28.92(84.06) | 28.69(83.64) | 28.75(83.75) | 28.21(82.78) | 28.33(82.99) |
Average low °C (°F) | 26.97(80.55) | 26.5(79.7) | 26.69(80.04) | 27.32(81.18) | 27.94(82.29) | 28.31(82.96) | 28.33(82.99) | 28.12(82.62) | 28.17(82.71) | 27.99(82.38) | 28.01(82.42) | 27.62(81.72) | 27.66(81.79) |
Record low °C (°F) | 26.97(80.55) | 26.5(79.7) | 26.69(80.04) | 27.32(81.18) | 27.94(82.29) | 28.31(82.96) | 28.33(82.99) | 28.12(82.62) | 28.17(82.71) | 27.99(82.38) | 28.01(82.42) | 27.62(81.72) | 26.5(79.7) |
Average precipitation mm (inches) | 70.8(2.79) | 56.06(2.21) | 45.32(1.78) | 63.78(2.51) | 90.81(3.58) | 98.07(3.86) | 191.0(7.52) | 244.75(9.64) | 263.27(10.36) | 213.35(8.4) | 127.59(5.02) | 70.0(2.76) | 127.9(5.04) |
Average precipitation days (≥ 1.0 mm) | 14.45 | 9.73 | 10.91 | 12.09 | 15.64 | 20.0 | 26.55 | 25.91 | 25.82 | 24.91 | 17.64 | 14.45 | 18.17 |
Average relative humidity (%) | 77.84 | 77.17 | 77.88 | 78.21 | 77.64 | 76.96 | 76.58 | 76.16 | 76.28 | 77.3 | 78.17 | 77.85 | 77.34 |
Mean monthly sunshine hours | 10.02 | 10.33 | 10.48 | 10.79 | 12.29 | 12.41 | 10.9 | 10.09 | 10.07 | 9.28 | 7.84 | 8.71 | 10.27 |
Guam Climate Graph
Guam’s Cities by Temperature
Guam’s states/regions ranking by average yearly temperature:
Yigo |
|
28.33°C | 82.99°F |
Yona |
|
28.33°C | 82.99°F |
Mongmong-Toto-Maite |
|
28.33°C | 82.99°F |
Mangilao |
|
28.33°C | 82.99°F |
Santa Rita |
|
28.33°C | 82.99°F |
Talofofo |
|
28.33°C | 82.99°F |
Umatac |
|
28.33°C | 82.99°F |
Chalan Pago-Ordot |
|
28.33°C | 82.99°F |
Agat |
|
28.33°C | 82.99°F |
Dededo |
|
28.33°C | 82.99°F |
Barrigada |
|
28.33°C | 82.99°F |
Inarajan |
|
28.33°C | 82.99°F |
Piti |
|
28.33°C | 82.99°F |
Merizo |
|
28.33°C | 82.99°F |
Hagåtña |
|
28.33°C | 82.99°F |
Sinajana |
|
28.33°C | 82.99°F |
Tamuning |
|
28.33°C | 82.99°F |
Asan |
|
28.33°C | 82.99°F |
Agana Heights |
|
28.33°C | 82.99°F |
Popular places in Guam
- Hilaan Dededo
- Calacag Asan
- Tamuning Tamuning
- Bile Merizo
- Sella Asan
- Utan Mongmong-Toto-Maite
- Coontz Junction Asan
- Lingae Merizo
- San Vicente Agat
- Aspengo Barrigada
- Maina Asan
- Barrigada Barrigada
- Paseo De Oro Tamuning
- Masalog Chalan Pago-Ordot
- Julog Merizo
- Wettengel Junction Dededo
- Piti Piti
- Hafa Adai Village Subdivision Dededo
- Harmon Garden Tamuning
- Jonestown Tamuning
- Bingot Merizo
- Oka Tamuning
- Chaguian Yigo
- Lupog Yigo
- Agafo Gumas Yigo
- Presidio Piti
- Tacpi Mangilao
- Dededo Dededo
- Socio Tamuning
- Y Sengsong Dededo
- Ayuja Agat
- Anao Yigo
- Jaotan Merizo
- Schroeder Junction Piti
- Tepungan Piti
- Y Papao Dededo
- Yona Yona
- Pado Mongmong-Toto-Maite
- Oceanview Dededo
- Camp Dealy Talofofo
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