Climate and monthly weather forecastAchiwib, Guyana
Climate and monthly weather forecast
The climate of Achiwib
Fitting into the Köppen climate classification as 'Am', Achiwib has a tropical monsoon climate, punctuated by heavy rains during the warmer seasons. Achiwib's geographical position near the equator introduces consistently high temperatures throughout the year, while the surrounding ocean influences high levels of humidity. Predominate wind speed varies between 7.2km/h (4.5mph) to 16.3km/h (10.1mph), ensuring a continuous breeze that offsets some of the tropical heat.Throughout the calendar year, Achiwib experiences relatively stable temperature ranges from 22.2°C (72°F) to 34.5°C (94.1°F), with the heat peaking around March. As for humidity, it stays consistent with minor fluctuations, averaging from 59% to 82%. Rainfall records present significant changes, rising from a minimum of 9mm (0.35") in January to a staggering 186mm (7.32") in June. This variation corresponds with the number of rainfall days, expanding from 6 days in January to almost 28 days during the monsoon month of July.
A noticeable unique weather pattern in Achiwib would be the stark contrasts between dry and monsoon seasons. Most of the rainfall occurs from May to September, with dry conditions dominating the rest of the year. Despite being in the tropics, rare instances of snowfall have been recorded, though these instances are far from a regular occurrence.
The best time to visit Achiwib
The optimal period for a visit to Achiwib would be between January and April. During these months, visitors can expect pleasant average temperatures of 30°C (86°F) and a manageable humidity of 60%. The rainfall is also at its yearly low during these months, with less than 20mm (0.79") from January to March and around 52mm (2.05") in April. Additionally, the visibility stays comfortably at 10km (6.2mi), facilitating sightseeing and outdoor activities.The worst time to visit Achiwib
On the flip side, May to September mark a challenging period in Achiwib due to the monsoon conditions. High precipitation, peaking at 186mm (7.32") in June and consistent high humidity around 80%, make outdoor activities difficult and at times, impossible. Even though temperatures remain tolerable from 30°C (86°F) to 31.1°C (88°F), the heavily wet conditions can dampen the spirit of travel.Spring weather in Achiwib
While Achiwib is a tropical location and does not experience conventional spring, the March to May period exhibits a significant climate shift. March starts with an average high of 34.5°C (94.1°F), a relative humidity of 59%, and a manageable rainfall measure of 18mm (0.71"). But, by May, the onset of the monsoon season propels the rainfall to an overwhelming 166mm (6.54"), and humidity levels rise sharply to 76%. The temperature remains static, with a high of around 31.1°C (88°F).Summer weather in Achiwib
True to a tropical monsoon climate, Achiwib’s ‘summer’ months from June to August are marked by high rainfall, consistent temperatures and high humidity. On average, one can expect rainfall between 131mm (5.16") to 186mm (7.32"), and humidity ranges from 78% to 82%. Despite the high precipitation, temperatures stay between 30°C (86°F) and 31.1°C (88°F), providing some respite from the damp conditions.Autumn weather in Achiwib
Formally recognized as September to November, autumn in Achiwib brings with it a reduction in rainfall, with figures dropping from 131mm (5.16") in September to 50mm (1.97") in November. Likewise, the number of rainfall days also descends from 24 to 15. Humidity experiences a fall from 71% to 67%, while temperatures remain relatively steady, with highs fluctuating between 31.2°C (88.2°F) to 33.5°C (92.3°F).Winter weather in Achiwib
Contrary to traditional climates, winters in Achiwib from December and February replicate spring-like conditions in temperate regions. The rainfall dips to its yearly low, from 19mm (0.75") in December to 9mm (0.35") in February, and the number of rainfall days reduces half to fewer than 10 days. Humidity lowers to 66%, temperatures cool slightly with highs dropping to 32.7°C (90.9°F), presenting a more agreeable atmosphere compared to the searing heat of the other seasons.Weather in January
January graces Achiwib, Guyana with a relatively dry climate, presenting a suitable period for outdoor activities. This month indicates the city's transition from the colder months into sustainably warmer ones, with temperatures reaching its first peak, soaring to 33.3°C (91.9°F). Weather in January »Weather in February
In February, Achiwib experiences a slight extension of the climate conditions from the preceding month. Casual variations in meteorological parameters, including a minor increase in temperature up to 33.4°C (92.1°F), mark the transition. Weather in February »Weather in March
March, the first month of the spring in Achiwib, is still a hot month, with an average temperature fluctuating between 34.5°C (94.1°F) and 23.9°C (75°F). March, with an average high of 34.5°C (94.1°F) and a low of 23.9°C (75°F), signifies the warmest month of the year. March's mean heat index is estimated at a scorching 43°C (109.4°F). Weather in March »Weather in April
April is characterised by showers at a large, signaling the full onset of the rainy season in Achiwib. This month's weather draws a stark contrast to its dry, sunny predecessor, as a dramatic surge in rainfall brings about transitional changes in Achiwib's climate. Weather in April »Weather in May
In May, Achiwib lies under the embrace of a steady rainfall, revitalising the environment and keeping the city lush. As temperature decreases to 31.1°C (88°F), residents enjoy respite from the preceding heat, leading to comfortable weather. Weather in May »Weather in June
June sees Achiwib entwined in deep monsoonal influence with rainfall peaking at the highest for the year at 186mm (7.32") and humidity at its maximum. A consequent dip in temperature and sunlight hours offers additional relief. While the city endures the highest rainfall, wind speeds take a downturn to some of the lightest gusts noted throughout the year. Weather in June »Weather in July
As July unfolds, rainfall recedes slightly yet retaining its monsoonal character in Achiwib. It portrays a sly shift from the previous month's extreme weather, characterized by the lowest average wind gust speed of 11.7km/h (7.3mph) for the year. Weather in July »Weather in August
August continues the downward trajectory in rainfall initiated in July, leading to Achiwib's eventual transition into the drier months of the year. The weather remains comparably calmer relative to the more turbulent wet months. Weather in August »Weather in September
September in Achiwib is marked by a precipitous decrease in rainfall, signalling the termination of the annual monsoon season. In a break from the previous monsoonal months, September witnesses a rise in temperature, to 32.5°C (90.5°F), and sunshine hours. Weather in September »Weather in October
During October, Achiwib transitions to a warmer and drier autumn phase, combined with a noticeable decline in rainfall. Akin to its predecessor, October stands out with the first observations of snowfall, though barely perceivable. Weather in October »Weather in November
November in Achiwib sees a continuation of the dry spell accompanied by a more temperate climate as a prelude to oncoming winter months. Infrequent drizzles nurture the city, curbing the dust levels and smoothening temperatures. Weather in November »Weather in December
Rounding out the year, December gifts Achiwib with the lowest rainfall levels and mellow temperatures, marking it as the coolest month, with the lowest temperature dropping to 23.6°C (74.5°F). The city basks under the crisp winter sun as the daylight period shortens slightly. Weather in December »Updated: Feb 19, 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
January is the month with the least rainfall. Rain falls for 6 days and accumulates 9mm (0.35") of precipitation.
In Achiwib, during the entire year, the rain falls for 204.4 days and collects up to 941mm (37.05") of precipitation.
In Achiwib, snow does not fall in January through August, October through December.
In Achiwib, during the entire year, snow aggregates up to 1mm (0.04").
January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Achiwib, Guyana.
March is the month when Achiwib's temperatures reach their peak, with averages of 34.5°C (94.1°F) and lows of 23.9°C (75°F).
March is the least humid month in Achiwib, with an average relative humidity of 59%.
Achiwib witnesses its lowest temperatures in June and July, reaching an average of 30°C (86°F).
June and July, with an average relative humidity of 82%, are most humid months.
June is the month with the most rainfall in Achiwib, Guyana. Rain falls for 26.9 days and accumulates 186mm (7.32") of precipitation.
June has the longest days of the year in Achiwib, Guyana, with an average of 12h and 18min of daylight.
June is the month with the lowest UV index in Achiwib, Guyana, with an average maximum UV index of 6.
With an average of 10.5h of sunshine, August has the most sunshine of the year in Achiwib.
September is the only month when snow falls.
The month with the most snowfall in Achiwib, Guyana, is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.
The month with the shortest days in Achiwib is December, with an average of 12h and 0min of daylight.
Achiwib, Guyana, does not utilize Daylight Saving Time (DST). -04 timezone is used throughout the entire year.
With an average of 7.8h of sunshine, December has the least sunshine of the year in Achiwib.
Average temperature
Achiwib, Guyana
The warmest month (with the highest average high temperature) is March (34.5°C).
The months with the lowest average high temperature are June and July (30°C).
The month with the highest average low temperature is April (24°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure
Achiwib, Guyana
- Average pressure in January:
1010.9mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1010.6mbar - Average pressure in April:
1010.9mbar - Average pressure in May:
1011.7mbar - Average pressure in June:
1012.8mbar
- Average pressure in July:
1012.9mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1011.2mbar - Average pressure in October:
1009.6mbar - Average pressure in November:
1008.8mbar - Average pressure in December:
1010mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed
Achiwib, Guyana
- Average wind speed in January:
15.6km/h - Average wind speed in February:
16.3km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
8.8km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
8.4km/h - Average wind speed in October:
10km/h - Average wind speed in November:
11.1km/h - Average wind speed in December:
14.3km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest month (with the lowest average wind speed) is July (7.2km/h).
Average humidity
Achiwib, Guyana
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is March (59%).
Average rainfall
Achiwib, Guyana
The wettest month (with the highest rainfall) is June (186mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days
Achiwib, Guyana
- Average rainfall days in January:
6 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
24.2 days - Average rainfall days in June:
26.9 days
- Average rainfall days in July:
27.8 days - Average rainfall days in August:
23.8 days - Average rainfall days in September:
20 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is July (27.8 days).
The month with the least rainy days is January (6 days).
Average snowfall
Achiwib, Guyana
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days
Achiwib, Guyana
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight / Average sunshine
Achiwib, Guyana
- Average daylight in January:
12h and 0min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 12min - Average daylight in June:
12h and 18min
- Average daylight in July:
12h and 12min - Average daylight in August:
12h and 12min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 6min - Average daylight in November:
12h and 0min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January:
9h and 0min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 48min - Average sunshine in October:
9h and 18min - Average sunshine in November:
9h and 0min - Average sunshine in December:
7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days
Achiwib, Guyana
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
18 days - Average sunshine days in March:
19 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
5.6 days - Average sunshine days in June:
1.9 days
- Average sunshine days in July:
2.1 days - Average sunshine days in August:
5 days - Average sunshine days in September:
7.2 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
11.9 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is June (1.9 days).
Average UV index
Achiwib, Guyana
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover
Achiwib, Guyana
The month with the most cloud cover is May (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility
Achiwib, Guyana
The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).
