Climate and monthly weather forecast
Karatu, Tanzania


The climate of Karatu

Karatu, located in Tanzania, is primarily dominated by a Temperate highland tropical climate with dry winters, classified under Köppen's Climate Classification as Cwb. The year graces the region with an interesting array of weather variations. Temperatures fluctuate from the chills of 13.3°C (55.9°F) to the heats of 28.9°C (84°F), generally maintaining a warm equatorial environment. Humidity studies present a mildly humid atmosphere with relative humidity percentages dancing from 58 to 80%.

Rainfalls range from 2mm (0.08") to 124mm (4.88"), with the highest rainfall usually occurring around mid-year. Similarly, rainy days can be as less as 3.3 days to as much as 24.1 days. The region experiences ample daylight throughout the year, hover around 11.9 hours to12.3 hours daily. Hours of sunshine too generally stay within a comfortable range of 8.3 hours to 9.8 hours, presenting an environment pleasant and ever welcoming.

Unique weather patterns can include the noticeably diminished rainfall and lesser rainy days during the period of June to September. Around the same time, a marked increase is observed in pressure from 1012.3mb to 1017.3mb while the wind speed rises from 6.8km/h (4.2mph) to a maximum wind gust of 14.4km/h (8.9mph) in September.

The best time to visit Karatu

Considering the unique weather conditions, the best time to visit Karatu would optimally be during the spring and summer months. These months offer moderate temperatures, abundant sunshine, and minimal rainfall, proving perfect for sightseeing, hiking or other outdoor activities. Particularly, the months from June to September stand out with almost negligible rainfall, affable humidity, and wind patterns favoring a delightful stay.

The worst time to visit Karatu

The months of March, April, and November demand careful consideration for those planning a visit to Karatu. The blend of high rainfall reaching up to 124mm (4.88") in April, significant cloud cover percentage reaching up to 47%, and lower pressure may not serve to be particularly inviting to travelers and holiday planners.

Spring weather in Karatu

The spring season in Karatu is characterized by a gradual rise in temperatures ranging from 23.7°C (74.7°F) to 27.5°C (81.5°F). Rainfall sees a reduction in this period, sliding down to 3mm (0.12") in September from 37mm (1.46") in May. Daylight hours stay constant around 12 hours daily, while sunshine hours rise from 8.6 hours to 9.8 hours. The atmosphere maintains a pleasant humidity of between 58% and 76%.

Summer weather in Karatu

Summer in Karatu brings temperatures from 27.9°C (82.2°F) to 27.2°C (81°F), a delightful warmth spread across October to December. Rainfall initiates a rise, reaching 103mm (4.06") in December from 42mm (1.65") in October. Humidity starts to climb back up to reach 69% by year's end. Sunshine hours stay steady around 9 hours daily. Winds clock in at around 10.8km/h (6.7mph) to 7.4km/h (4.6mph).

Autumn weather in Karatu

The autumn season brings weather dynamics between January and March, with temperatures cycling from 28.3°C (82.9°F) down to 28.7°C (83.7°F). Rainfall marks an increase from 81mm (3.19") in January to 98mm (3.86") in March. Sunshine hours fall to 9 hours daily from 9.4 hours. Autumn also marks increased humidities from 65% to 66%, with slight fluctuations in pressure and wind velocity.

Winter weather in Karatu

Taking a more humid and colder turn, winters in Karatu, spanning from April to June, witness temperatures drop to 23.7°C (74.7°F) by June. Rainfall showcases a drastic dip from 124mm (4.88") to rates as low as 7mm (0.28") in June. The region maintains daylight hours around 12 hours, whilst sunshine hours surge upward slowly from 8.3 hours to 9.2 hours. The level of humidity reaches its yearly peak at 80% in May, starting from 78% in April.

Weather in January

In the opening month of the year, the weather conditions show a discernable shift from December. The notable humidity level, reaching at 65%, contributes to a moist atmosphere in Karatu. Along with this, persistent clouds cover the skies, providing a cooler respite from the summer sun. Weather in January »

Weather in February

February brings mildly different weather conditions compared to January. The average temperature records a slight rise while the humidity experiences a slight dip. However, it's the rainfall that takes a steep dive dropping to 54mm (2.13") over 13.3 days. Weather in February »

Weather in March

In contrast to February, March ushers in a more significant change in weather dynamics. The month is characterized by a leap in rainfall amount from 54mm (2.13") to 98mm (3.86"), spread over approximately 21 days. The heavier amount of rainfall and humidity give the surroundings a fresh and vibrant appeal. Weather in March »

Weather in April

As spring sets in, April reveals a unique weather pattern, with a rise in amount of daylight hours. The general atmosphere transforms dramatically as rainfall peaks to its annual high, reaching 124mm (4.88"). While the high precipitation levels might deter some, others might find the city's landscapes bathed in rain quite enchanting. Weather in April »

Weather in May

A departure from the pattern of previous months, May sees a marked decrease in rainfall. The modest amount of rainfall, merely 37mm (1.46"), allows more opportunities for outdoor pursuits. Basking in more sunshine and featuring moist weather, the month tends to have a vibrant atmosphere. Weather in May »

Weather in June

As the city steps into June, the weather finds a healthier balance. The quantity of rainfall lessens to just 7mm (0.28"), making it the driest month of the year. Temperatures remain stable, delivering a pleasant weather, neither too hot nor too cold. Weather in June »

Weather in July

July continues the string of dry months, maintaining the low amount of rainfall. The month is defined by the lowest average temperatures and the peak pressure of 1017.3mb. As the clouds recede and the skies become clearer, the city enters a period of warmer, sunnier days. Weather in July »

Weather in August

The transition from July to August sees minimal alteration in the weather characteristics. Whilst rainfall remains sparse, the retreat of the clouds facilitates a rise in sunshine hours. The near-perfect visibility and the consistently mild temperatures highlight the peak of Karatu's dry season. Weather in August »

Weather in September

September carries forward the comfortable weather from August, albeit with a minor rise in temperatures. Rainfall remains exceptionally low, reaching a mere 3mm (0.12") over a few days. The month is characterized by lengthier sunlit hours and improved visibility, intensifying the allure of the city. Weather in September »

Weather in October

In contrast to September, October brings about a telling change in weather conditions. The slight increase in rainfall, up to 42mm (1.65"), signals the onset of the rainy season. Despite this, the month retains the sunshine and warmth characteristic of the past few months. Weather in October »

Weather in November

With November's arrival, Karatu experiences a resurgence in rainfall, reaching 72mm (2.83"). This becomes particularly noticeable against the backdrop of the previous dry months. The city enters into a period of rejuvenation as temperatures lower and the air carries a fresh scent of the rains. Weather in November »

Weather in December

December witnesses a weather full circle, showcasing a further ascent in rainfall up to 103mm (4.06"). But unlike the preceding month, December also sees a temperate drop in the average temperatures. Robust winds, a staple of December, fan out across the city, ushering in the holiday spirit. Weather in December »

Frequently asked questions

How much does it rain in Karatu?

In Karatu, during the entire year, the rain falls for 153.2 days and collects up to 626mm (24.65") of precipitation.

When is the highest UV index in Karatu?

January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Karatu?

With an average high-temperature of 28.9°C (84°F) and an average low-temperature of 16.7°C (62.1°F), February is the warmest month in Karatu.

What is the rainiest month in Karatu?

April is the month with the most rainfall in Karatu, Tanzania. Rain falls for 24.1 days and accumulates 124mm (4.88") of precipitation.

What is the month with the least sunshine in Karatu?

April has the least sunshine of the year in Karatu, with an average of 8.3h of sunshine.

When is the lowest UV index in Karatu?

The months with the lowest UV index are April through July, with an average maximum UV index of 5.

What is the most humid month in Karatu?

The most humid month in Karatu, Tanzania, is May, with an average relative humidity of 80%.

What is the coldest time of year in Karatu?

The coldest time of the year in Karatu, Tanzania, is June, with temperatures averaging a high of 23.7°C (74.7°F) and a low of 14°C (57.2°F).

What is the month with the shortest days in Karatu?

The month with the shortest days is June, with an average of 11h and 54min of daylight.

What is the driest month in Karatu?

August is the month with the least rainfall in Karatu, Tanzania. Rain falls for 3.3 days and accumulates 2mm (0.08") of precipitation.

What is the least humid month in Karatu?

September is the least humid month in Karatu, with an average relative humidity of 58%.

What month has the most sunshine in Karatu?

September has the most sunshine of the year, with an average of 9.8h of sunshine.

When are the longest days in Karatu?

The month with the longest days is December, with an average of 12h and 18min of daylight.

Is there Daylight Saving Time (DST) in Karatu?

Karatu, Tanzania, does not observe Daylight Saving Time (DST). EAT timezone is used over the entire year.

Average temperature
Karatu, Tanzania

Average temperature - Karatu, Tanzania

The warmest month (with the highest average high temperature) is February (28.9°C).
The month with the lowest average high temperature is June (23.7°C).

The months with the highest average low temperature are March and November (17.5°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).


Average pressure
Karatu, Tanzania

Average pressure - Karatu, Tanzania

The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).


Average wind speed
Karatu, Tanzania

Average wind speed - Karatu, Tanzania

The windiest month (with the highest average wind speed) is September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).


Average rainfall
Karatu, Tanzania

Average rainfall - Karatu, Tanzania

The wettest month (with the highest rainfall) is April (124mm).
The driest month (with the least rainfall) is August (2mm).


Average rainfall days
Karatu, Tanzania

Average rainfall days - Karatu, Tanzania

The month with the highest number of rainy days is April (24.1 days).
The months with the least rainy days are August and September (3.3 days).


Average daylight / Average sunshine
Karatu, Tanzania

Average daylight / Average sunshine - Karatu, Tanzania

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is April (Average sunshine: 8h and 18min).


Average sunshine days
Karatu, Tanzania

Average sunshine days - Karatu, Tanzania

The month with the most sunshine days is September (24.9 days).
The month with the least sunshine days is April (3.6 days).


Average UV index
Karatu, Tanzania

Average UV index - Karatu, Tanzania

The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 5).


Average visibility
Karatu, Tanzania

Average visibility - Karatu, Tanzania

The months with the highest visibility are February, August, September, October and November (10km).
The months with the lowest visibility are April and May (8km).


Karatu, Tanzania

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