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Weather & Climate in Merelani, Tanzania
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Merelani has a warm climate with an average annual temperature of 75°F (24°C). Winters average 79°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 345 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 29.1 inches (drier than the 38-inch national average). The city sits at an elevation of 3,005 feet.
Temperature
79°F Jan (26°C)
70°F Jul (21°C)
| Annual Average | 75.0°F |
| 39% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 345 days/yr |
Geography
| Elevation | 3,005 ft (916 m) |
| Area | 9,243.8 sq mi (23,941.3 km²) |
| Population Density | 5/sq mi |
| Coordinates | -3.5618°N, 36.9790°W |
| Timezone | Africa/Dar_es_Salaam |
Precipitation & Snow
Air Quality
Earthquake History
85 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Jul 17, 2007 | 37 km W of Longido, Tanzania | M5.9 | 115 km | 8 km |
| May 15, 1990 | 30 km N of Mto wa Mbu, Tanzania | M5.5 | 132 km | 5 km |
| May 15, 1990 | 14 km NE of Kiratu, Tanzania | M5.4 | 142 km | 5 km |
| Jul 15, 2007 | 56 km NW of Monduli, Tanzania | M5.4 | 118 km | 10 km |
| Aug 20, 2007 | 45 km W of Longido, Tanzania | M5.4 | 122 km | 10 km |
| Jul 17, 2007 | 56 km W of Longido, Tanzania | M5.3 | 123 km | 10 km |
| Jul 15, 2007 | 46 km NNW of Monduli, Tanzania | M5.3 | 108 km | 10 km |
| Jul 18, 2007 | 67 km W of Longido, Tanzania | M5.2 | 132 km | 10 km |
| Aug 18, 2007 | 55 km W of Longido, Tanzania | M5.2 | 119 km | 10 km |
| Feb 22, 1991 | 6 km NE of Magugu, Tanzania | M5.2 | 137 km | 10 km |
| Jul 26, 2007 | 76 km W of Longido, Tanzania | M5.2 | 146 km | 10 km |
| Apr 5, 1990 | 46 km N of Mto wa Mbu, Tanzania | M5.1 | 140 km | 10 km |
| Jul 26, 1990 | 44 km N of Mto wa Mbu, Tanzania | M4.9 | 142 km | 10 km |
| Jul 18, 2007 | 78 km W of Longido, Tanzania | M4.9 | 150 km | 11 km |
| Aug 20, 2019 | 7 km WSW of Naberera, Tanzania | M4.8 | 74 km | 10 km |
| Jul 18, 2007 | 68 km N of Mto wa Mbu, Tanzania | M4.8 | 149 km | 10 km |
| Aug 7, 2007 | 55 km NNE of Mto wa Mbu, Tanzania | M4.8 | 134 km | 10 km |
| Mar 22, 2016 | 19 km SE of Galappo, Tanzania | M4.8 | 146 km | 10 km |
| Jul 16, 2007 | 70 km NNE of Mto wa Mbu, Tanzania | M4.7 | 143 km | 10 km |
| Aug 5, 2007 | 69 km NNE of Mto wa Mbu, Tanzania | M4.7 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Meru (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Meru | Stratovolcano | 4,565 m (14,977 ft) | 1910 | 43 km |
| Chyulu Hills | Volcanic field | 2,188 m (7,178 ft) | 1855 | 140 km |
| Lengai, Ol Doinyo | Stratovolcano | 2,962 m (9,718 ft) | 2020 | 148 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 1.9 in | Warmest |
| February | 77°F (25°C) | 2.1 in | |
| March | 77°F (25°C) | 3.9 in | |
| April | 75°F (24°C) | 7.6 in | Wettest |
| May | 72°F (22°C) | 3.4 in | |
| June | 69°F (21°C) | 0.6 in | |
| July | 70°F (21°C) | 0.2 in | Driest |
| August | 69°F (20°C) | 0.3 in | Coldest |
| September | 71°F (22°C) | 0.4 in | |
| October | 74°F (23°C) | 0.9 in | |
| November | 75°F (24°C) | 2.4 in | |
| December | 76°F (24°C) | 2.4 in |
Merelani has a seasonal temperature swing of 11°F / from 69°F in August to 79°F in January. Total annual precipitation is 26.1 inches, with April being the wettest month (7.6") and July the driest (0.2").