Climate and monthly weather forecast
Tambor, Costa Rica

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The climate of Tambor

Tambor, Costa Rica, lies within the Köppen climate classification of Aw, meaning it experiences a tropical wet and dry or savanna climate. This type of climate entails high temperatures throughout the year with a distinct dry and wet season.

The range of the high temperatures goes from 28.2°C (82.8°F) to a high of 32.3°C (90.1°F). This suggests constant warmth in Tambor and no significant temperature drops. In contrast, the low temperatures exhibit a modest fluctuation, ranging from 22°C (71.6°F) to 24.3°C (75.7°F). This also emphasizes the persistent warmth as evenings in Tambor maintain high temperatures.

Regarding precipitation, it is not consistent. From February to April, rainfall remains below 10mm (0.39"). However, the months from May to November see an upsurge in rainfall, reaching the peak in October with rainfall of 383mm (15.08"). It is also worth noting that the number of rainfall days mirrors the pattern of the rainfall magnitude. During the wet season, Tambor sees twenty-eight to thirty rainfall days per month.

Wind speeds in Tambor maintain a moderate pace, varying from 5.5km/h (3.4mph) to 11km/h (6.8mph). Wind gusts exhibit a similar range as well. Regarding pressure, there isn't any notable variation; it hovers around the 1010mb mark throughout the year.

The best time to visit Tambor

Given the tropical climate of Tambor, the best time to visit would largely depend on the desired activities. For beach activities and outdoor adventures, it would be best to visit Tambor between December and April. During these months, Tambor enjoys high temperatures (from 28.2°C (82.8°F) to 32.3°C (90.1°F)) and low humidity (from 63% to 69%). Furthermore, this period corresponds to the dry season, having the least rainfall and low rainfall days (from 5 to 17.8). Sunlight is also abundant, ranging from 11.6 hours to 12.4 hours per day, allowing ample time to explore the natural beauty of Tambor.

The worst time to visit Tambor

The period from May to November can be challenging for tourists due to the increased rainfall. October is especially unfavorable as Tambor receives its highest rainfall and maximum number of rainy days (30.2). The humidity also tends to skyrocket during this period, reaching 81% between June and September. Despite this, if eco-tourism aligns with the visitor's interests, such as exploring Costa Rica's verdant plant life and diverse animal species, this period might serve as the best time to visit.

Spring weather in Tambor

In Tambor, the spring season spans from March to May. During this time, Tambor warms up significantly, with high temperatures ranging from 30.5°C (86.9°F) and 32.3°C (90.1°F). The downfall- rainfall begins to ramp up. March witnesses 8mm (0.31") rainfall spread over seven days, but by May, rainfall spikes to 207mm (8.15") over 28.3 days. Conditions can become progressively humid, peaking at 76% in May, and travelers are advised to prepare for the early onset of the wet season.

Summer weather in Tambor

In the summer months of June to August, Tambor experiences its wet season with high rainfall. Rainfall ranges from 231mm (9.09") to 239mm (9.41") per month, with around 28 rainfall days each month. Despite the precipitation, the temperatures remain high, varying from 29.3°C (84.7°F) to 29.4°C (84.9°F). The average low temperatures hover around 23.5°C (74.3°F) to 24.3°C (75.7°F), making evenings warm and humid, with relative humidity peaking at 81%.

Autumn weather in Tambor

Autumn, from September to November, continues the wet season trend with high precipitation levels. September and October record the highest rainfall, with 209mm (8.23") and 383mm (15.08") respectively, spread across 28 to 30 days. However, November hints at the upcoming dry season with a drop in rainfall to 126mm (4.96") over 26 days. The high temperature maintains a range from 28.2°C (82.8°F) to 28.8°C (83.8°F), whereas the low runs from 22.7°C (72.9°F) to 23.4°C (74.1°F).

Winter weather in Tambor

Winter in Tambor spans from December to February and is characterized by the dry season. Rainfall drops down to mere 6mm (0.24") to 7mm (0.28") with the number of rainy days reducing notably to 5 to 5.5 days in a month. High temperatures ranging between 30.2°C (86.4°F) to 31.4°C (88.5°F) pair with slightly cooler low temperatures between 22°C (71.6°F) to 22.5°C (72.5°F). This time of year offers relief from the intense humidity of the wet season, with relative humidity levels falling to 65% to 69%. The decreased precipitation and humidity make this period ideal for travel and outdoor activities.

Weather in January

As the first month of the year, January sets the tone for the weather to come in Tambor, Costa Rica. It is warm and consistently humid in Tambor, with the sea reflecting similar temperatures. Noticeable, the barometric pressure remains steady, facilitating clear skies with very little cloud coverage. Weather in January »

Weather in February

In February, the trend of warm and humid weather conditions persists in Tambor. A high sunshine duration signifies longer periods of clear sky and ensures many sun-drenched days. Sea temperatures remain steady, fostering suitable conditions for water-based activities. Weather in February »

Weather in March

Tambor in March continues the warm trend although there are slight changes in weather patterns. With higher daylight hours, it becomes a paradise for sun seekers and beach lovers. Relative changes to February are negligible, with the exception of some increases in average temperatures. Weather in March »

Weather in April

April ushers in a significant shift in the weather conditions in Tambor. The climate continues to warm, with prolonged daylight intensifying the heat. Compared to the previous month, April experiences a striking spike in rainfall, rising to 47mm (1.85") from 8mm (0.31"), signaling the commencement of the wet months ahead. Weather in April »

Weather in May

May marks the beginning of the rainy season in Tambor, accompanied by a drop in temperature, but the decline is barely noticeable. The humidity also rises, hinting at the moisture-laden atmosphere. Rainfall dramatically increases in May, with a striking leap to 207mm (8.15") from April's 47mm (1.85"), and the number of rainy days shoots up, introducing a major shift in the weather pattern. Weather in May »

Weather in June

June in Tambor is characterized by frequent rainfall, as the rainy season continues in full force. More often than not, skies appear more grey due to increased cloud coverage compared to clear sky days in dry months. Comparatively, rainfall in June, measuring 231mm (9.09"), surpasses May's rainfall by 24mm (0.94"), and the number of rainy days nudges up slightly. Weather in June »

Weather in July

July’s weather in Tambor follows closely to that in June, maintaining the features of the rainy season. The relentless rainfall continues, but slight sunshine makes a dance between the rain showers. The sea maintains a consistent temperature, unaffected by the changes above water's surface. Weather in July »

Weather in August

Entering into August, the weather in Tambor sees a continuation of the wet season, characterized by frequent rain showers and high humidity. The trend of high daylight hours remains consistent, catering for moderately long days. Weather in August »

Weather in September

For Tambor, September brings with it more of the same wet conditions experienced in August. Despite sharing similar climatic patterns, September experiences a decrease in rainfall to 209mm (8.23") compared to August's 239mm (9.41"). Weather in September »

Weather in October

In October Tambor experiences the fifth consecutive month of rainy season, with wet conditions prevailing throughout the month. The sea temperature remains steady, providing an ideal environment for marine life. Remarkably, rainfall in October records the highest for the year, rising significantly to 383mm (15.08") from 209mm (8.23") in September. Weather in October »

Weather in November

As November rolls in, Tambor starts to experience notable changes in the weather. The downpours decrease significantly, signalling the end of the rainy season and the start of the dry season. However, the transition is not immediate, as November's rainfall, at 126mm (4.96"), is still considerably high compared with the dry months but a significant decrease from October's 383mm (15.08"). Weather in November »

Weather in December

Finally, December marks the onset of the dry season in Tambor. The rain eases considerably compared to November, resulting in typically dry and sunny conditions characteristic of the season. It records only 27mm (1.06") of rainfall, a significant drop from November’s hefty 126mm (4.96"). Weather in December »
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Frequently asked questions

How many days does it rain in Tambor?

In Tambor, Costa Rica, during the entire year, the rain falls for 248.3 days and collects up to 1708mm (67.24") of precipitation.

What months are the sea coldest in Tambor?

January through March, July through December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.

What are the months with the highest UV index in Tambor?

The months with the highest UV index in Tambor, Costa Rica, are January through October and December, with an average maximum UV index of 7.

What is the driest month in Tambor?

The month with the least rainfall in Tambor, Costa Rica, is February, when the rain falls for 5 days and typically collects 6mm (0.24") of precipitation.

What is the least humid month in Tambor?

March is the least humid month, with an average relative humidity of 63%.

What month is the hottest in Tambor?

The warmest period in Tambor, Costa Rica, is April, when temperatures fluctuate between an average high of 32.3°C (90.1°F) and a low of 24.3°C (75.7°F).

What months are the sea warmest in Tambor?

April through June, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Tambor, Costa Rica.

When are the longest days in Tambor?

The month with the longest days is June, with an average of 12h and 42min of daylight.

What month has the most sunshine in Tambor?

With an average of 10.2h of sunshine, July has the most sunshine of the year.

What is the coldest time of year in Tambor?

October is Tambor's coldest month, registering average high temperatures of 28.2°C (82.8°F) and lows of 23.2°C (73.8°F).

What is the most humid month in Tambor?

October is the most humid month in Tambor, with an average relative humidity of 83%.

What is the wettest month in Tambor?

The month with the most rainfall in Tambor, Costa Rica, is October, when the rain falls for 30.2 days and typically aggregates up to 383mm (15.08") of precipitation.

What is the month with the least sunshine in Tambor?

The month with the least sunshine is October, with an average of 7.7h of sunshine.

When is the lowest UV index in Tambor?

With an average maximum UV index of 6, November is the month with the lowest UV index.

What is the month with the shortest days in Tambor?

With an average of 11h and 36min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in Tambor?

Tambor does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
Tambor, Costa Rica

Average temperature - Tambor, Costa Rica

The warmest month (with the highest average high temperature) is April (32.3°C).
The month with the lowest average high temperature is October (28.2°C).

The months with the highest average low temperature are April and May (24.3°C).
The coldest month (with the lowest average low temperature) is January (22°C).

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Average pressure
Tambor, Costa Rica

Average pressure - Tambor, Costa Rica

The month with the highest atmospheric pressure is January (1011.5mbar).
The month with the lowest atmospheric pressure is October (1010.5mbar).

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Average wind speed
Tambor, Costa Rica

Average wind speed - Tambor, Costa Rica

The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is September (5.5km/h).

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Average humidity
Tambor, Costa Rica

Average humidity - Tambor, Costa Rica

The month with the highest relative humidity is October (83%).
The month with the lowest relative humidity is March (63%).

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Average rainfall
Tambor, Costa Rica

Average rainfall - Tambor, Costa Rica

The wettest month (with the highest rainfall) is October (383mm).
The driest month (with the least rainfall) is February (6mm).

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Average rainfall days
Tambor, Costa Rica

Average rainfall days - Tambor, Costa Rica

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (5 days).

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Average sea temperature
Tambor, Costa Rica

Average sea temperature - Tambor, Costa Rica

The best months for swimming (with the highest average sea temperature) are April, May and June (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, July, August, September, October, November and December (28°C).

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Average daylight / Average sunshine
Tambor, Costa Rica

Average daylight / Average sunshine - Tambor, Costa Rica

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 42min).

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Average sunshine days
Tambor, Costa Rica

Average sunshine days - Tambor, Costa Rica

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is October (0.5 days).

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Average UV index
Tambor, Costa Rica

Average UV index - Tambor, Costa Rica

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

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Average visibility
Tambor, Costa Rica

Average visibility - Tambor, Costa Rica

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).

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Tambor, Costa Rica

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