Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Gros Morne features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (75 °F) and 27 °C (81 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 1192 mm (46.9 inches) and receives 206 rainy days on the 1 mm (0.04 inches) threshold annually.Gros Morne enjoys an average of 3902 hours of sunshine throughout the year, and daylight varies from 10 hours 56 minutes to 13 hours 17 minutes per day.
The warmest months in Gros Morne are July, August and September, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 24 to 24 °C (75 - 75 °F) throughout the day. On average each year, Gros Morne experiences 322 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 29°C (85°F) | 29°C (85°F) | 30°C (86°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) | 32°C (90°F) | 32°C (90°F) | 32°C (91°F) | 32°C (89°F) | 31°C (87°F) | 30°C (86°F) |
Mean maximum | 28°C (83°F) | 28°C (83°F) | 29°C (85°F) | 30°C (87°F) | 30°C (87°F) | 30°C (87°F) | 31°C (88°F) | 32°C (89°F) | 32°C (89°F) | 31°C (87°F) | 30°C (86°F) | 29°C (85°F) |
Average high | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 28°C (83°F) | 29°C (84°F) | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 28°C (83°F) | 28°C (82°F) |
Daily mean | 24°C (75°F) | 24°C (75°F) | 24°C (75°F) | 25°C (77°F) | 26°C (78°F) | 26°C (80°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 26°C (79°F) | 25°C (78°F) | 24°C (76°F) |
Average low | 21°C (70°F) | 21°C (70°F) | 21°C (71°F) | 22°C (73°F) | 24°C (75°F) | 24°C (76°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 24°C (75°F) | 23°C (74°F) | 22°C (72°F) |
Mean minimum | 19°C (67°F) | 20°C (68°F) | 20°C (68°F) | 21°C (69°F) | 22°C (72°F) | 23°C (74°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) | 23°C (73°F) | 21°C (70°F) | 21°C (69°F) |
Minimum | 17°C (63°F) | 19°C (66°F) | 19°C (66°F) | 20°C (69°F) | 22°C (71°F) | 23°C (73°F) | 23°C (75°F) | 23°C (74°F) | 22°C (73°F) | 22°C (72°F) | 20°C (69°F) | 20°C (69°F) |
Compare temperature, precipitation, sunshine, UV index in Gros Morne, Artibonite, Haiti with other places around the world.
Gros Morne usually has the most precipitation in May, September and October, with an average of 23 rainy days and 169 mm (6.6 inches) of precipitation per month.The driest months in Gros Morne are January, February and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 51 (2.0) | 24 (1.0) | 73 (2.9) | 77 (3.0) | 201 (7.9) | 113 (4.5) | 97 (3.8) | 106 (4.2) | 157 (6.2) | 148 (5.8) | 111 (4.4) | 33 (1.3) |
Average precipitation days (≥ 1 mm) | 6 | 7 | 14 | 19 | 25 | 21 | 20 | 21 | 23 | 21 | 20 | 9 |
The sunniest months in Gros Morne are March, June and July, when the sun shines an average of 11 hours 32 minutes a day.Least sunny months in Gros Morne: January, February and November receive an average of 9 hours 25 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 253 | 305 | 348 | 347 | 342 | 350 | 362 | 345 | 315 | 322 | 290 | 317 |
Mean daily daylight hours | 11h 4m | 11h 29m | 12h 2m | 12h 35m | 13h 4m | 13h 17m | 13h 10m | 12h 45m | 12h 13m | 11h 39m | 11h 10m | 10h 56m |
Gros Morne experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Gros Morne UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 9 | 11 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 11 | 9 | 8 |