Climate and monthly weather forecastMapumai, Cook Islands
Climate and monthly weather forecast
The climate of Mapumai
Mapumai, located in the Cook Islands, experiences a characteristic tropical rainforest climate. By the Köppen climate classification, this corresponds to the designation 'Af', delineating areas with high temperatures all year round and substantial rainfall in every month. This equatorial settlement tends to hold a constant warm temperature spectrum from 23.8°C (74.8°F) to 27.7°C (81.9°F) throughout the year.Additionally, the humidity remains relatively high, with monthly average relative humidity being staggered between 76% and 79%. This characteristic of tropical climates, combined with the consistent temperatures, makes for a fairly steamy atmosphere. Rainfall, a significant element of Mapumai’s climate, ranging from 29mm (1.14") to 155mm (6.1") per month, offering heavy but sporadic showers. The variables of high humidity and sporadic, substantial rainfall contribute to the delineation of this geography being a tropical rainforest climate.
Furthermore, the location receives a harmonious amount of daylight and sunshine hours. With daylight hours fluctuating between a minimum of 10.9 hours in June to a maximum of 13.3 hours in December while sunshine hours per month vary between 5.7 hours and 8.9 hours. Wind speeds also play an integral part in the overall climate with speeds ranging from 20.4km/h (12.7mph) to 25.1km/h (15.6mph).
The best time to visit Mapumai
The ideal time to visit Mapumai is arguably between the months of July and October. This time period presents the least amount of rainfall, which is within 29mm (1.14") to 46mm (1.81") range, and the highest pressure reading around 1015.9mb to 1016.4mb, indicating fair weather. These milder climatic conditions, coupled with ample sunshine of about 7 to 7.6 hours and manageable wind speeds around 23.8km/h (14.8mph) to 25km/h (15.5mph), make for a pleasant visit.The worst time to visit Mapumai
Meteorological data suggests a significantly wet and gloomy phase between February and April. The rainfall increases tremendously, averaging 138mm (5.43") in February to 155mm (6.1") in April. Coinciding with these conditions are lower readings of atmospheric pressure, approximately around 1010.6mb to 1011.9mb. These months can also experience gusty winds up to approximately 32.8km/h (20.4mph) which can contribute to the overall harshness of the weather.Spring weather in Mapumai
Springtime in Mapumai, demarcated by the months of March, April, and May, features a substantial variation in rainfall. Starting in March with 155mm (6.1") rainfall, the region enters April with a decrease to 85mm (3.35"), before settling in May with a slight increase to 99mm (3.9"). Temperature during these months oscillates from 26.3°C (79.3°F) to 27.7°C (81.9°F), coupled with daylight durations extending from 11.6 hours to 12.2 hours. Wind in the Spring season sees a noticeable surge, reaching significant speeds of 20.4km/h (12.7mph) to 24km/h (14.9mph).Summer weather in Mapumai
Summer in Mapumai, spanning June, July, and August, generally entails a rainfall reduction to 29mm (1.14") to 38mm (1.5"). Temperatures still hover around a comfortable range from 23.8°C (74.8°F) to 25°C (77°F), while the daylight stretches between 10.9 hours to 11.5 hours. Wind speeds during the summer remain relatively steady, with an average monthly wind speed ranging from 24.9km/h (15.5mph) to 25km/h (15.5mph).Autumn weather in Mapumai
Autumn, considered in tropical climates as the period from September to November, offers relatively consistent weather. During this time, rainfall maintains a low level, accumulating between 30mm (1.18") and 82mm (3.23"), while the temperature fluctuates mildly from 24.5°C (76.1°F) to 25.5°C (77.9°F). Also, daylight falls between 11.5 hours in September to 12.6 hours by late November with temperatures ranging from 24.2°C (75.6°F) to 25.5°C (77.9°F).Winter weather in Mapumai
Winter season in Mapumai encompasses December and January, where the weather exhibits high temperature range from 26.5°C (79.7°F) to 27.4°C (81.3°F) and surges in rainfall, reaching 153mm (6.02") in December and 155mm (6.1") in January. The pressure, however, lowers to 1010.6mb to 1011mb. Daylight extends to 13.2 hours to 13.3 hours, and wind stats also show a slight increase from 21.8km/h (13.5mph) to 23.1km/h (14.4mph) during the month.Weather in January
January in Mapumai, Cook Islands, typically sees warmer weather, with high humidity levels. The island experiences frequent rainfall during this month, relative to the following month. High temperatures reach up to 27.2°C (81°F) and can drop to 26.5°C (79.7°F). Weather in January »Weather in February
In February, Mapumai undergoes a slight decrease in rainfall compared to January, paving the way for more warm and dry days. The island's natural beauty shines under the radiant sun, which remains a constant sight throughout February. Weather in February »Weather in March
March experiences a consistent climate with February while introducing a bit more rainfall. There is a slight temperature increase to 27.7°C (81.9°F), with a minimum reading of 26.7°C (80.1°F). Nearly constant weather conditions prevail, allowing for endless outdoor exploration. Weather in March »Weather in April
The season subtly shifts in April with a decrease in rainfall as compared to March. April also brings slightly cooler weather, yet the tropical climate persists in Mapumai. The maximum temperature averages at 27.3°C (81.1°F), dropping from the previous month, and the low hovers at 26.3°C (79.3°F). Weather in April »Weather in May
Seeing further decline in rainfall, May brings about the driest period thus far, with an associated drop in temperature from 26.3°C (79.3°F) to 25.3°C (77.5°F). Even though temperatures drop, May does not compromise on the coveted sunshine hours, maintaining Mapumai's reputation as a sun-drenched locale. Weather in May »Weather in June
June invites a slightly cooler climate than May, with temperatures continuing on a downward trend. The weather becomes significantly drier, creating an opportunity for great outdoor fun. A maximum temperature of 25°C (77°F) and a minimum of 23.9°C (75°F) characterizes the June weather. Weather in June »Weather in July
July continues the trend of the previous month, featuring relatively cooler and drier days. Pleasant weather marks the days with its peak at 24.5°C (76.1°F) and a minimum at 23.3°C (73.9°F). This weather pattern makes July a perfect time to explore the island’s rich cultural heritage and stunning natural attractions. Weather in July »Weather in August
August in Mapumai signifies a significant lowering of both temperature and rainfall compared to the previous months. The temperature range between 23.8°C (74.8°F) and 22.8°C (73°F) brings a touch of coolness to the weather. Despite a decrease in rainfall, abundant sunlight prevails throughout August. Weather in August »Weather in September
September brings about subtle changes to the weather with a slight increase in temperature reaching up to 24.2°C (75.6°F), while the lower limit remains around 23.1°C (73.6°F). With its warm and slightly dry weather, September favors outdoor activities. Weather in September »Weather in October
In October, the city of Mapumai experiences a small increase in rainfall from September, yet remains significantly dryer than the coming months. Sunshine continues to be a prominent feature in October, illuminating the island from dawn till dusk. Weather in October »Weather in November
The weather in November brings a notable increase in both rainfall and temperature, hinting at the onset of a wetter period. With the maximum temperature climbing to 25.5°C (77.9°F) and the minimum to 24.7°C (76.5°F), Mapumai experiences a warmer climate. Weather in November »Weather in December
December sees a considerable jump in rainfall levels compared to previous months, combined with marginally higher temperatures. The temperature ranges from 26.5°C (79.7°F) to 25.6°C (78.1°F), reviving the island's warmth. Despite the increase in rainfall, the sunshine hours remain admirable, allowing for outdoor activities on this beautiful island. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mapumai, Cook Islands
The warmest month (with the highest average high temperature) is March (27.7°C).
The month with the lowest average high temperature is August (23.8°C).
The month with the highest average low temperature is March (26.7°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure
Mapumai, Cook Islands
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.8mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1013mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is January (1010.6mbar).
Average wind speed
Mapumai, Cook Islands
- Average wind speed in January:
23.1km/h - Average wind speed in February:
22.4km/h - Average wind speed in March:
20.4km/h - Average wind speed in April:
21.3km/h - Average wind speed in May:
24km/h - Average wind speed in June:
24.9km/h
- Average wind speed in July:
25km/h - Average wind speed in August:
23.8km/h - Average wind speed in September:
25.1km/h - Average wind speed in October:
24.5km/h - Average wind speed in November:
22km/h - Average wind speed in December:
21.8km/h
The windiest month (with the highest average wind speed) is September (25.1km/h).
The calmest month (with the lowest average wind speed) is March (20.4km/h).
Average humidity
Mapumai, Cook Islands
The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall
Mapumai, Cook Islands
- Average rainfall in January:
155mm - Average rainfall in February:
138mm - Average rainfall in March:
155mm - Average rainfall in April:
85mm - Average rainfall in May:
99mm - Average rainfall in June:
38mm
The wettest months (with the highest rainfall) are January and March (155mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days
Mapumai, Cook Islands
- Average rainfall days in January:
23.4 days - Average rainfall days in February:
19.8 days - Average rainfall days in March:
23.5 days - Average rainfall days in April:
20.8 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
16 days - Average rainfall days in November:
15.8 days - Average rainfall days in December:
22.9 days
The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is August (10.3 days).
Average daylight / Average sunshine
Mapumai, Cook Islands
- Average daylight in January:
13h and 12min - Average daylight in February:
12h and 42min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 12min - Average daylight in June:
10h and 54min
- Average daylight in July:
11h and 6min - Average daylight in August:
11h and 30min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 6min - Average daylight in December:
13h and 18min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in January:
7h and 48min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
6h and 24min - Average sunshine in June:
5h and 42min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
8h and 54min - Average sunshine in December:
8h and 36min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days
Mapumai, Cook Islands
- Average sunshine days in January:
5.8 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
5.6 days - Average sunshine days in April:
6.5 days - Average sunshine days in May:
9.4 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.5 days - Average sunshine days in November:
9.7 days - Average sunshine days in December:
5.8 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (5.6 days).
Average UV index
Mapumai, Cook Islands
The months with the highest UV index are January, February, March, May, November and December (UV index 7).
The months with the lowest UV index are April, June, July, August, September and October (UV index 6).
Average cloud cover
Mapumai, Cook Islands
The months with the most cloud cover are January, October, November and December (Cloud cover 49).
The months with the least cloud cover are March, April and September (Cloud cover 46).
Average visibility
Mapumai, Cook Islands
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





