Climate and monthly weather forecastFatai, Tonga
Climate and monthly weather forecast
The climate of Fatai
Under the Köppen climate classification, Fatai in Tonga falls within the Af zone, also known as the tropical rainforest climate. This climate type is characterized by substantial rainfall throughout the year and high temperatures. Fatai experiences a perpetual summer with high humidity, partially cloudy skies, and breezy conditions.Yearly temperature typically ranges from 21.6°C (70.9°F) to 27.5°C (81.5°F), indicating relatively stable weather patterns without extreme fluctuations. The peak heat, between 26.8°C (80.2°F) to 27.5°C (81.5°F), occurs from January to March. From May to October, temperatures slightly dip to a cooler range of 22.9°C (73.2°F) to 25.2°C (77.4°F), offering some reprieve from the intense heat. Fatai experiences a modest annual range in temperatures due to its proximity to the equator.
Rainfall is a constant occurrence, with a yearly tally from 36mm (1.42") to 163mm (6.42"), contributing to the region's verdant ecosystem. The wettest months are February and March, with rainfall measuring 163mm (6.42") and 151mm (5.94"), respectively. In contrast, October exhibits the least quantity of rainfall with just 36mm (1.42"). Humidity levels remain consistently high at 75% to 80%.
Daylight hours vary minimally, revolving around 11.1 hours to 13.4 hours, which implies consistent lengths of days and nights throughout. Similarly, wind speed sees moderate variation throughout the year, varying from 23.3km/h (14.5mph) to 25.6km/h (15.9mph).
The best time to visit Fatai
Considering the weather parameters, the best time to visit Fatai is from May to October when the temperatures are slightly lower, ranging between 22.9°C (73.2°F) and 25.2°C (77.4°F). This period also experiences lower rainfall, from 36mm (1.42") to 72mm (2.83"), allowing visitors greater opportunities to explore the outdoor attractions. Despite the reduced amount of sunlight, with daylight hours varying from 11.1 to 12mm (0.47"), there’s still ample sunshine for outdoor festivities.The worst time to visit Fatai
It would be less desirable to visit Fatai in February and March. The rainfall is the highest during these months, measuring 163mm (6.42") and 151mm (5.94"), which may hinder outdoor activities. The temperatures during these months are also near the yearly maximum, hitting between 27.2°C (81°F) to 27.5°C (81.5°F). The elevated heat combined with high rainfall can make activities less enjoyable.Spring weather in Fatai
Spring, defined by the months of September to November, is relatively mild in Fatai. In these months, temperatures fall within a pleasant range of 22.9°C (73.2°F) to 26.2°C (79.2°F). September and November witness moderate rainfall measuring 64mm (2.52") and 39mm (1.54"), respectively. The daylight duration ranges from 12 hours to 13.1 hours, which presents adequate daylight for sightseeing and outdoor recreation.Summer weather in Fatai
December through February represents the summer months in Fatai. Even though the tropical climate makes it a year-round summer, these months have temperatures peaking from 26.8°C (80.2°F) to 27.5°C (81.5°F). Though the days are slightly longer, the heavy rainfall ranging from 75mm (2.95") to 163mm (6.42") coupled with high temperatures may deter some visitors.Autumn weather in Fatai
Autumn in Fatai is seen from March to May, with temperatures ranging from 23.9°C (75°F) to 27.2°C (81°F). Rainfall during this period steadily decreases from 151mm (5.94") in March to 59mm (2.32") in May, hinting at the upcoming dryer months. With daylight averages between 11.6 hours to 12.2 hours, the season offers inviting weather for those who do not mind a bit of tropical rain.Winter weather in Fatai
The key intrinsic feature of winter in Fatai, from June to August, lies in its milder temperatures, hovering between 21.6°C (70.9°F) to 24.3°C (75.7°F). These are the "coolest" months in Fatai's calendar, yet still provide a warm climate compared to typical winter conditions elsewhere. Rainfall is lower during this period, ranging from 51mm (2.01") to 72mm (2.83"), representing a less wet phase of the year. Enjoying daylight between 11.1 hours to 11.4 hours, winter is an attractive season for tourism in Fatai.Weather in January
The first month of the year in Fatai witnesses a vivid weather. As compared to the following month, the city experiences slightly lower humidity and a shorter period of daylight. The city sees a substantial 124mm (4.88") of rainfall over approximately 22 days. Weather in January »Weather in February
A slight change is exhibited in Fatai's weather in February with an increase in average temperatures when compared to January. The rainfall increases significantly to 163mm (6.42") over around 23 days, the highest in the first quarter of the year. Weather in February »Weather in March
The transition from February to March brings an easing in the rainfall and a slight reduction in temperatures; however, the humidity remains relatively steady. During this month, the rainfall totals approximately 151mm (5.94"), dispersed over 21 days. Weather in March »Weather in April
Moving into April, the weather starts to shift as the city experiences significantly less rainfall compared to March. With a descent in the total precipitation from 151mm (5.94") to 86mm (3.39"), Fatai retains a lesser number of rainfall days. Weather in April »Weather in May
Weather in May in Fatai sees a further decrease in rain with the onset of the driest period of the year. In comparison to April, the total precipitation falls to a record low of 59mm (2.32") over just 13 days. Temperatures start to cool down slightly, but the split between high temperatures during the day and cooler temperatures at night remains steady. Weather in May »Weather in June
The month of June in Fatai sustains the distinct weather pattern established in May. Despite slightly increased rainfall, the conditions remain pretty dry considering the overall climate of Fatai. While the total rainfall reaches a slightly higher 71mm (2.8") over 13 days, monthly temperatures see a further dip. Weather in June »Weather in July
The shift from June to July sees an insignificant rise in rainfall, reaching a total of 72mm (2.83") over around 15 days. Simultaneously, July promises the lowest, most comfortable temperatures of the year, offering a break from the persistent high temperatures prevalent in earlier months. Weather in July »Weather in August
August is a unique blend of a rising rainfall combined with the lowest temperatures of the year. The total precipitation sees a drop to 51mm (2.01"), spread out over nearly 15 days. Despite a slight increase in cloud cover, the month remains preferable for various activities as the behaving wind speed offers a break from the high humidity. August's presence records an average high-temperature of a still warm 23°C (73.4°F), closely mirroring July's climate. Weather in August »Weather in September
September in Fatai brings slight alterations in the weather pattern. As compared to the previous month, the total precipitation climbs slightly to 64mm (2.52") distributed evenly across approximately 14 days. Though the daylight hours stretch longer, temperatures start to ascend again. Weather in September »Weather in October
October witnesses an exciting drop in rainfall levels, falling to 36mm (1.42") over nearly 13 days, marking the driest month of the year in Fatai. Though the shift from September to October brings a remarkable increase in daylight, the stable UV index ensures a comfortable atmosphere. Weather in October »Weather in November
The movement from October to November sees a slight increase in the average temperatures and rain levels. With a bit of a surge in precipitation levels to 39mm (1.54") over 13 days, November offers a pleasant weather. The daylight hours maintain their duration while the consistent pressure pattern keeps the wind flow regular. Fatai marks the start of November with an average high-temperature of a still warm 24.4°C (75.9°F), hinting at a slight fluctuation from October's 23.7°C (74.7°F). Weather in November »Weather in December
December marks the end of the year in Fatai with a significant change in the weather pattern. The month sees a notable increase in rainfall, reaching 75mm (2.95") over approximately 17 days. However, the blend of consistent temperatures, humidity, and regular wind speed ensures a comfortable atmosphere. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Fatai, Tonga
The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is September (22.9°C).
The month with the highest average low temperature is February (26.7°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).
Average pressure
Fatai, Tonga
- Average pressure in January:
1008.6mbar - Average pressure in February:
1008.6mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1016.2mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1015.1mbar - Average pressure in November:
1012.9mbar - Average pressure in December:
1011mbar
The months with the highest atmospheric pressure are August and September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1008.6mbar).
Average wind speed
Fatai, Tonga
- Average wind speed in January:
23.3km/h - Average wind speed in February:
24.1km/h - Average wind speed in March:
23.6km/h - Average wind speed in April:
24.2km/h - Average wind speed in May:
25.5km/h - Average wind speed in June:
25.4km/h
- Average wind speed in July:
25.6km/h - Average wind speed in August:
24.6km/h - Average wind speed in September:
23.7km/h - Average wind speed in October:
23.8km/h - Average wind speed in November:
24.1km/h - Average wind speed in December:
24.9km/h
The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is January (23.3km/h).
Average humidity
Fatai, Tonga
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall
Fatai, Tonga
- Average rainfall in January:
124mm - Average rainfall in February:
163mm - Average rainfall in March:
151mm - Average rainfall in April:
86mm - Average rainfall in May:
59mm - Average rainfall in June:
71mm
The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).
Average rainfall days
Fatai, Tonga
- Average rainfall days in January:
22.3 days - Average rainfall days in February:
22.7 days - Average rainfall days in March:
21.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
13 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
14 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
16.5 days
The month with the highest number of rainy days is February (22.7 days).
The month with the least rainy days is October (12.9 days).
Average daylight / Average sunshine
Fatai, Tonga
- Average daylight in January:
13h and 12min - Average daylight in February:
12h and 48min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 6min - Average daylight in June:
10h and 54min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 24min - 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 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
7h and 30min - Average sunshine in March:
7h and 24min - Average sunshine in April:
7h and 18min - Average sunshine in May:
7h and 24min - Average sunshine in June:
7h and 6min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
6h and 48min - Average sunshine in September:
7h and 0min - Average sunshine in October:
7h and 6min - 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 August (Average sunshine: 6h and 48min).
Average sunshine days
Fatai, Tonga
- Average sunshine days in January:
4.8 days - Average sunshine days in February:
3.8 days - Average sunshine days in March:
5.9 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
10.1 days - Average sunshine days in September:
10.8 days - Average sunshine days in October:
13 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (3.8 days).
Average UV index
Fatai, Tonga
The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover
Fatai, Tonga
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility
Fatai, Tonga
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).








