Climate and monthly weather forecastJoanna, Guyana
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Joanna, Guyana, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 24.8°C (76.6°F). Joanna's lowest average temperatures are recorded in January and February, reaching a high of 28°C (82.4°F). For January, the heat index is computed to be a tropical 32°C (89.6°F). Weather in January »Weather in February
February, the last month of the winter in Joanna, is another warm month, with an average temperature ranging between min 24.8°C (76.6°F) and max 28°C (82.4°F). Joanna's lowest temperatures tend to occur in January and February, with an average high-temperature of 28°C (82.4°F). The average heat index in February is computed to be a hot 32°C (89.6°F). Weather in February »Weather in March
March, the first month of the spring in Joanna, is still a warm month, with temperature in the range of an average low of 25°C (77°F) and an average high of 28.4°C (83.1°F). Joanna's March reports an average high-temperature of a still moderately hot 28.4°C (83.1°F), exhibiting a minor difference from February. Weather in March »Weather in April
April, the same as March, is another warm spring month in Joanna, Guyana, with an average temperature ranging between min 25.1°C (77.2°F) and max 28.7°C (83.7°F). The arrival of April is marked by an average high-temperature of a still warm 28.7°C (83.7°F), bearing a close resemblance to March. Weather in April »Weather in May
May, the last month of the spring in Joanna, is also a moderately hot month, with an average temperature varying between 25.3°C (77.5°F) and 28.8°C (83.8°F). The arrival of May marks a slight shift to an average high-temperature of a still moderately hot 28.8°C (83.8°F) from April's 28.7°C (83.7°F). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Joanna, Guyana, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 25.1°C (77.2°F). Welcoming June, Joanna notes an average high-temperature of a still warm 28.8°C (83.8°F), nearly consistent with May's 28.8°C (83.8°F). Weather in June »Weather in July
July, like June, in Joanna, Guyana, is a moderately hot summer month, with an average temperature ranging between min 24.8°C (76.6°F) and max 29.4°C (84.9°F). The onset of July brings an average high-temperature of a still warm 29.4°C (84.9°F), nearly matching the June temperature. Weather in July »Weather in August
The last month of the summer, August, is a tropical month in Joanna, Guyana, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 30.3°C (86.5°F). Joanna measures an average high-temperature of a tropical 30.3°C (86.5°F) in August, nearly consistent with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Joanna, Guyana, with temperature in the range of an average low of 25.9°C (78.6°F) and an average high of 30.8°C (87.4°F). Joanna's September weather reaches an average high of 30.8°C (87.4°F) and an average low of 25.9°C (78.6°F), making it the warmest month. September's average heat index is computed to be a torrid 39°C (102.2°F). Weather in September »Weather in October
October, the same as September, in Joanna, Guyana, is another tropical autumn month, with temperature in the range of an average low of 25.9°C (78.6°F) and an average high of 30.7°C (87.3°F). Joanna's weather in October, with an average high-temperature of a still tropical 30.7°C (87.3°F), subtly shifts from September's 30.8°C (87.4°F). Weather in October »Weather in November
The last month of the autumn, November, is also a hot month in Joanna, Guyana, with temperature in the range of an average low of 25.8°C (78.4°F) and an average high of 30.2°C (86.4°F). The dawn of November sees an average high-temperature of a still hot 30.2°C (86.4°F), subtly contrasting with October's 30.7°C (87.3°F). Weather in November »Weather in December
December, the first month of the winter in Joanna, is also a moderately hot month, with an average temperature varying between 28.9°C (84°F) and 25.1°C (77.2°F). December's arrival brings an average high-temperature of a warm 28.9°C (84°F), demonstrating subtle variation from the preceding month. Weather in December »Updated: Jul 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Joanna experiences lowest temperatures, averaging a high-temperature of 28°C (82.4°F) during January and February.
In Joanna, during the entire year, the rain falls for 312.6 days and collects up to 2298mm (90.47") of precipitation.
The months with the highest UV index are January, February, April, June through December, with an average maximum UV index of 7.
The month with the least rainfall is March, when the rain falls for 24.4 days and typically collects 97mm (3.82") of precipitation.
The months with the lowest UV index are March and May, with an average maximum UV index of 6.
With an average of 7h of sunshine, April has the least sunshine of the year.
With an average relative humidity of 82%, June is the most humid month.
The month with the most rainfall is June, when the rain falls for 28.8 days and typically aggregates up to 314mm (12.36") of precipitation.
June has the longest days of the year, with an average of 12h and 30min of daylight.
September, recognised by an average high temperature of 30.8°C (87.4°F) and a low of 25.9°C (78.6°F), is Joanna's warmest month.
The least humid month is September, with an average relative humidity of 76%.
September has the most sunshine of the year in Joanna, with an average of 9.3h of sunshine.
With an average of 11h and 48min of daylight, December has the shortest days of the year.
Joanna does not utilize Daylight Saving Time (DST). -04 timezone is used over the entire year.
Average temperature
Joanna, Guyana
The warmest month (with the highest average high temperature) is September (30.8°C).
The months with the lowest average high temperature are January and February (28°C).
The months with the highest average low temperature are September and October (25.9°C).
The coldest months (with the lowest average low temperature) are January, February and July (24.8°C).
Average pressure
Joanna, Guyana
- Average pressure in January:
1012.1mbar - Average pressure in February:
1012mbar - Average pressure in March:
1012.1mbar - Average pressure in April:
1012mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1012.9mbar
- Average pressure in July:
1012.8mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1011.4mbar - Average pressure in October:
1010.1mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1010.9mbar
The month with the highest atmospheric pressure is June (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Joanna, Guyana
- Average wind speed in January:
15.7km/h - Average wind speed in February:
16.6km/h - Average wind speed in March:
16.7km/h - Average wind speed in April:
16km/h - Average wind speed in May:
15.1km/h - Average wind speed in June:
13km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.9km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
14.8km/h - Average wind speed in December:
15.7km/h
The windiest month (with the highest average wind speed) is March (16.7km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity
Joanna, Guyana
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall
Joanna, Guyana
- Average rainfall in January:
126mm - Average rainfall in February:
129mm - Average rainfall in March:
97mm - Average rainfall in April:
138mm - Average rainfall in May:
285mm - Average rainfall in June:
314mm
- Average rainfall in July:
301mm - Average rainfall in August:
229mm - Average rainfall in September:
141mm - Average rainfall in October:
133mm - Average rainfall in November:
197mm - Average rainfall in December:
208mm
The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).
Average rainfall days
Joanna, Guyana
- Average rainfall days in January:
24.8 days - Average rainfall days in February:
24.3 days - Average rainfall days in March:
24.4 days - Average rainfall days in April:
24.8 days - Average rainfall days in May:
28.1 days - Average rainfall days in June:
28.8 days
- Average rainfall days in July:
29.9 days - Average rainfall days in August:
28 days - Average rainfall days in September:
24.5 days - Average rainfall days in October:
23.5 days - Average rainfall days in November:
24.1 days - Average rainfall days in December:
27.4 days
The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is October (23.5 days).
Average daylight / Average sunshine
Joanna, Guyana
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 48min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
7h and 54min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 18min - Average sunshine in June:
7h and 54min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
8h and 48min - Average sunshine in September:
9h and 18min - Average sunshine in October:
8h and 54min - Average sunshine in November:
8h and 36min - Average sunshine in December:
7h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).
Average sunshine days
Joanna, Guyana
- Average sunshine days in January:
3.2 days - Average sunshine days in February:
1.5 days - Average sunshine days in March:
1.8 days - Average sunshine days in April:
2.2 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.4 days
- Average sunshine days in July:
0.3 days - Average sunshine days in August:
1.5 days - Average sunshine days in September:
3.4 days - Average sunshine days in October:
5 days - Average sunshine days in November:
4.6 days - Average sunshine days in December:
1.6 days
The month with the most sunshine days is October (5 days).
The month with the least sunshine days is July (0.3 days).
Average UV index
Joanna, Guyana
The months with the highest UV index are January, February, April, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and May (UV index 6).
Average cloud cover
Joanna, Guyana
The months with the most cloud cover are February and April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility
Joanna, Guyana
The months with the highest visibility are January, February, March, April, September, October and December (10km).
The months with the lowest visibility are May, June, July, August and November (9km).
