Climate Insights for Guinea Grass

Saint Helena, Ascension and Tristan da Cunha

Hottest
March
25°C peak76°F peak
Coldest
September
19°C low66°F low
Wettest
March
13 mm rain0.5 in rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Guinea Grass is warm and mild. The average annual temperature is 22°C and approximately 87 mm of precipitation falls per year. March is the wettest month, receiving around 13 mm of rainfall. Guinea Grass 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, April. The coldest months are September, October, August, when temperatures can drop to 19°C.The climate in Guinea Grass is warm and mild. The average annual temperature is 71°F and approximately 3.4 in of precipitation falls per year. March is the wettest month, receiving around 0.5 in of rainfall. Guinea Grass 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, April. The coldest months are September, October, August, when temperatures can drop to 66°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 23°Average: 23°Min: 22°FebMax: 24°Average: 24°Min: 24°MarMax: 25°Average: 24°Min: 24°AprMax: 24°Average: 24°Min: 23°MayMax: 23°Average: 23°Min: 22°JunMax: 22°Average: 22°Min: 21°JulMax: 21°Average: 20°Min: 20°AugMax: 20°Average: 20°Min: 19°SepMax: 20°Average: 19°Min: 19°OctMax: 20°Average: 19°Min: 19°NovMax: 21°Average: 20°Min: 20°DecMax: 22°Average: 21°Min: 21°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 74°FAverage: 73°FMin: 72°FFebMax: 76°FAverage: 75°FMin: 74°FMarMax: 76°FAverage: 76°FMin: 75°FAprMax: 76°FAverage: 75°FMin: 74°FMayMax: 74°FAverage: 73°FMin: 72°FJunMax: 71°FAverage: 71°FMin: 70°FJulMax: 69°FAverage: 69°FMin: 68°FAugMax: 68°FAverage: 68°FMin: 67°FSepMax: 68°FAverage: 67°FMin: 66°FOctMax: 68°FAverage: 67°FMin: 66°FNovMax: 69°FAverage: 68°FMin: 68°FDecMax: 71°FAverage: 70°FMin: 70°F
Max
Average
Min

Guinea Grass has relatively stable temperatures year-round, staying within a 6°C range. March is the warmest month, though highs remain moderate at 25°C with a mean of 24°C. September is the coolest month, with minimum temperatures around 19°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.Guinea Grass has relatively stable temperatures year-round, staying within a 10°F range. March is the warmest month, though highs remain moderate at 76°F with a mean of 76°F. September is the coolest month, with minimum temperatures around 66°F and an average of 67°F. Daily temperature variation is modest, with an average difference of 1°F between highs and lows.

Precipitation

0mm25mm50mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 7mmFebPrecipitation: 8mmMarPrecipitation: 13mmAprPrecipitation: 9mmMayPrecipitation: 9mmJunPrecipitation: 10mmJulPrecipitation: 10mmAugPrecipitation: 7mmSepPrecipitation: 4mmOctPrecipitation: 3mmNovPrecipitation: 3mmDecPrecipitation: 4mm
Precipitation
0in1inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 0.3inFebPrecipitation: 0.3inMarPrecipitation: 0.5inAprPrecipitation: 0.4inMayPrecipitation: 0.4inJunPrecipitation: 0.4inJulPrecipitation: 0.4inAugPrecipitation: 0.3inSepPrecipitation: 0.2inOctPrecipitation: 0.1inNovPrecipitation: 0.1inDecPrecipitation: 0.2in
Precipitation

Guinea Grass is a quite dry location, receiving approximately 87 mm of precipitation annually, which averages out to around 7 mm per month. The wettest month is March, averaging 13 mm of rainfall. July and June also tend to see above-average precipitation. The driest month is November, with just 3 mm. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Guinea Grass is a quite dry location, receiving approximately 3.4 in of precipitation annually, which averages out to around 0.3 in per month. The wettest month is March, averaging 0.5 in of rainfall. July and June also tend to see above-average precipitation. The driest month is November, with just 0.1 in. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h5km/h10km/h15km/h20km/h25km/h30km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 23km/hFebWind Speed: 24km/hMarWind Speed: 24km/hAprWind Speed: 25km/hMayWind Speed: 25km/hJunWind Speed: 26km/hJulWind Speed: 28km/hAugWind Speed: 29km/hSepWind Speed: 30km/hOctWind Speed: 28km/hNovWind Speed: 25km/hDecWind Speed: 25km/h
Wind Speed
0mph5mph10mph15mph20mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 14mphFebWind Speed: 15mphMarWind Speed: 15mphAprWind Speed: 15mphMayWind Speed: 16mphJunWind Speed: 16mphJulWind Speed: 17mphAugWind Speed: 18mphSepWind Speed: 18mphOctWind Speed: 17mphNovWind Speed: 16mphDecWind Speed: 16mph
Wind Speed

Guinea Grass is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 30km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h 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 27km/h in winter, 28km/h in spring, 24km/h in summer, 25km/h in autumn.Guinea Grass is very windy, with an average annual wind speed of 16mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is September, averaging 18mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 14mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4mph 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 17mph in winter, 17mph in spring, 15mph in summer, 15mph in autumn.

Best Time to Visit

Jan23°73°F
Feb24°75°F
Mar24°76°F
Apr24°75°F
May23°73°F
Jun22°71°F
Jul20°69°F
Aug20°68°F
Sep19°67°F
Oct19°67°F
Nov20°68°F
Dec21°70°F

The best time to visit Guinea Grass is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 7 mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Guinea Grass is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 71°F with modest rainfall averaging 0.3 in per month. 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 Guinea Grass 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 Guinea Grass 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
22 °C72 °F
23 °C74 °F
23 km/h14 mph
7 mm0.3 in
0 cm0 in
Feb
24 °C74 °F
24 °C76 °F
24 km/h15 mph
8 mm0.3 in
0 cm0 in
Mar
24 °C75 °F
25 °C76 °F
24 km/h15 mph
13 mm0.5 in
0 cm0 in
Apr
23 °C74 °F
24 °C76 °F
25 km/h15 mph
9 mm0.4 in
0 cm0 in
May
22 °C72 °F
23 °C74 °F
25 km/h16 mph
9 mm0.4 in
0 cm0 in
Jun
21 °C70 °F
22 °C71 °F
26 km/h16 mph
10 mm0.4 in
0 cm0 in
Jul
20 °C68 °F
21 °C69 °F
28 km/h17 mph
10 mm0.4 in
0 cm0 in
Aug
19 °C67 °F
20 °C68 °F
29 km/h18 mph
7 mm0.3 in
0 cm0 in
Sep
19 °C66 °F
20 °C68 °F
30 km/h18 mph
4 mm0.2 in
0 cm0 in
OctCurrent
19 °C66 °F
20 °C68 °F
28 km/h17 mph
3 mm0.1 in
0 cm0 in
Nov
20 °C68 °F
21 °C69 °F
25 km/h16 mph
3 mm0.1 in
0 cm0 in
Dec
21 °C70 °F
22 °C71 °F
25 km/h16 mph
4 mm0.2 in
0 cm0 in