Climate Insights for Grand Baie

Rivière du Rempart District, Mauritius

Hottest
March
28°C peak82°F peak
Coldest
August
21°C low70°F low
Wettest
January
164 mm rain6.5 in rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Grand Baie is warm and mild. The average annual temperature is 25°C and approximately 761 mm of precipitation falls per year. January is the wettest month, receiving around 164 mm of rainfall. Grand Baie is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: March, February, January. The coldest months are August, July, September, when temperatures can drop to 21°C.The climate in Grand Baie is warm and mild. The average annual temperature is 76°F and approximately 30 in of precipitation falls per year. January is the wettest month, receiving around 6.5 in of rainfall. Grand Baie is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: March, February, January. The coldest months are August, July, September, when temperatures can drop to 70°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 28°Average: 27°Min: 26°FebMax: 28°Average: 27°Min: 26°MarMax: 28°Average: 27°Min: 26°AprMax: 27°Average: 26°Min: 25°MayMax: 26°Average: 25°Min: 24°JunMax: 24°Average: 23°Min: 22°JulMax: 23°Average: 22°Min: 21°AugMax: 23°Average: 22°Min: 21°SepMax: 24°Average: 23°Min: 21°OctMax: 25°Average: 23°Min: 22°NovMax: 26°Average: 25°Min: 24°DecMax: 27°Average: 26°Min: 25°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 82°FAverage: 80°FMin: 78°FFebMax: 82°FAverage: 80°FMin: 78°FMarMax: 82°FAverage: 80°FMin: 78°FAprMax: 81°FAverage: 79°FMin: 77°FMayMax: 78°FAverage: 76°FMin: 75°FJunMax: 76°FAverage: 74°FMin: 72°FJulMax: 74°FAverage: 72°FMin: 71°FAugMax: 74°FAverage: 72°FMin: 70°FSepMax: 75°FAverage: 73°FMin: 71°FOctMax: 76°FAverage: 74°FMin: 72°FNovMax: 78°FAverage: 76°FMin: 74°FDecMax: 81°FAverage: 79°FMin: 77°F
Max
Average
Min

Grand Baie has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.Grand Baie has relatively stable temperatures year-round, staying within a 12°F range. The warmest month is March, when average highs reach 82°F and the mean temperature sits around 80°F. August is the coolest month, with minimum temperatures around 70°F and an average of 72°F. Daily temperature variation is modest, with an average difference of 4°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 164mmFebPrecipitation: 142mmMarPrecipitation: 127mmAprPrecipitation: 89mmMayPrecipitation: 39mmJunPrecipitation: 28mmJulPrecipitation: 21mmAugPrecipitation: 17mmSepPrecipitation: 12mmOctPrecipitation: 20mmNovPrecipitation: 32mmDecPrecipitation: 70mm
Precipitation
0in2in4in6inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 6.5inFebPrecipitation: 5.6inMarPrecipitation: 5inAprPrecipitation: 3.5inMayPrecipitation: 1.5inJunPrecipitation: 1.1inJulPrecipitation: 0.8inAugPrecipitation: 0.7inSepPrecipitation: 0.5inOctPrecipitation: 0.8inNovPrecipitation: 1.3inDecPrecipitation: 2.7in
Precipitation

Grand Baie is a relatively dry area, receiving approximately 761 mm of precipitation annually, which averages out to around 63 mm per month. The wettest month is January, averaging 164 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 12 mm. That's 152 mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Grand Baie is a relatively dry area, receiving approximately 30 in of precipitation annually, which averages out to around 2.5 in per month. The wettest month is January, averaging 6.5 in of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 0.5 in. That's 6 in less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 20km/hFebWind Speed: 21km/hMarWind Speed: 19km/hAprWind Speed: 22km/hMayWind Speed: 23km/hJunWind Speed: 27km/hJulWind Speed: 27km/hAugWind Speed: 25km/hSepWind Speed: 24km/hOctWind Speed: 21km/hNovWind Speed: 19km/hDecWind Speed: 20km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12mphFebWind Speed: 13mphMarWind Speed: 12mphAprWind Speed: 14mphMayWind Speed: 14mphJunWind Speed: 17mphJulWind Speed: 17mphAugWind Speed: 16mphSepWind Speed: 15mphOctWind Speed: 13mphNovWind Speed: 12mphDecWind Speed: 13mph
Wind Speed

Grand Baie is moderately windy, with an average annual wind speed of 22km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 21km/h in spring, 20km/h in summer, 21km/h in autumn.Grand Baie is very windy, with an average annual wind speed of 14mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 17mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in November, with average winds dropping to 12mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16mph in winter, 13mph in spring, 13mph in summer, 13mph in autumn.

Best Time to Visit

Jan27°80°F
Feb27°80°F
Mar27°80°F
Apr26°79°F
May25°76°F
Jun23°74°F
Jul22°72°F
Aug22°72°F
Sep23°73°F
Oct23°74°F
Nov25°76°F
Dec26°79°F

The best time to visit Grand Baie is during May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 24 mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Grand Baie is during May, June, July, August, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 74°F with modest rainfall averaging 0.9 in per month. By contrast, March can be uncomfortably hot with temperatures reaching 82°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Grand Baie based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Grand Baie based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C78 °F
28 °C82 °F
20 km/h12 mph
164 mm6.5 in
0 cm0 in
Feb
26 °C78 °F
28 °C82 °F
21 km/h13 mph
142 mm5.6 in
0 cm0 in
Mar
26 °C78 °F
28 °C82 °F
19 km/h12 mph
127 mm5 in
0 cm0 in
Apr
25 °C77 °F
27 °C81 °F
22 km/h14 mph
89 mm3.5 in
0 cm0 in
May
24 °C75 °F
26 °C78 °F
23 km/h14 mph
39 mm1.5 in
0 cm0 in
Jun
22 °C72 °F
24 °C76 °F
27 km/h17 mph
28 mm1.1 in
0 cm0 in
Jul
21 °C71 °F
23 °C74 °F
27 km/h17 mph
21 mm0.8 in
0 cm0 in
Aug
21 °C70 °F
23 °C74 °F
25 km/h16 mph
17 mm0.7 in
0 cm0 in
Sep
21 °C71 °F
24 °C75 °F
24 km/h15 mph
12 mm0.5 in
0 cm0 in
OctCurrent
22 °C72 °F
25 °C76 °F
21 km/h13 mph
20 mm0.8 in
0 cm0 in
Nov
24 °C74 °F
26 °C78 °F
19 km/h12 mph
32 mm1.3 in
0 cm0 in
Dec
25 °C77 °F
27 °C81 °F
20 km/h13 mph
70 mm2.7 in
0 cm0 in