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Weather & Climate in Guinea Grass, Belize
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Guinea Grass has a warm climate with an average annual temperature of 79°F (26°C). Winters average 74°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 223 sunny days per year, above the national average. Annual precipitation totals 62.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
74°F Jan (23°C)
81°F Jul (27°C)
| Annual Average | 78.8°F |
| 46% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 223 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 4.9 sq mi (12.6 km²) |
| Population Density | 783/sq mi |
| Coordinates | 17.9670°N, 88.5984°W |
| Timezone | America/Belize |
Precipitation & Snow
Air Quality
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 5.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 2 | 109 mph | 288 km |
| 2022 | Lisa | Category 1 | 92 mph | 52 km |
| 2021 | Grace | Category 1 | 86 mph | 264 km |
| 2020 | Zeta | Category 1 | 86 mph | 298 km |
| 2020 | Gamma | Category 1 | 75 mph | 278 km |
| 2020 | Nana | Category 1 | 75 mph | 134 km |
| 2016 | Earl | Category 1 | 86 mph | 71 km |
| 2012 | Ernesto | Category 2 | 98 mph | 98 km |
| 2011 | Rina | Category 1 | 92 mph | 212 km |
| 2010 | Richard | Category 2 | 98 mph | 75 km |
| 2010 | Paula | Category 2 | 104 mph | 299 km |
| 2007 | Dean | Category 5 | 173 mph | 104 km |
| 2005 | Emily | Category 4 | 138 mph | 288 km |
| 2002 | Isidore | Category 1 | 81 mph | 280 km |
| 2001 | Iris | Category 4 | 144 mph | 175 km |
| 2000 | Keith | Category 4 | 138 mph | 64 km |
| 1996 | Dolly | Category 1 | 75 mph | 158 km |
| 1995 | Roxanne | Category 3 | 115 mph | 221 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 3.5 in | Coldest |
| February | 75°F (24°C) | 1.9 in | |
| March | 78°F (25°C) | 1.7 in | |
| April | 80°F (27°C) | 1.6 in | Driest |
| May | 82°F (28°C) | 4.1 in | Warmest |
| June | 82°F (28°C) | 8.8 in | |
| July | 81°F (27°C) | 8.2 in | |
| August | 82°F (28°C) | 7.0 in | |
| September | 81°F (27°C) | 9.4 in | Wettest |
| October | 80°F (26°C) | 7.6 in | |
| November | 77°F (25°C) | 4.8 in | |
| December | 75°F (24°C) | 4.0 in |
Guinea Grass has a seasonal temperature swing of 8°F / from 74°F in January to 82°F in May. Total annual precipitation is 62.5 inches, with September being the wettest month (9.4") and April the driest (1.6").