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Contents
- The climate of Nevis
- The best time to visit Nevis
- The worst time to visit Nevis
- Spring weather in Nevis
- Summer weather in Nevis
- Autumn weather in Nevis
- Winter weather in Nevis
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The lovely waterfront of Nevis in Saint Kitts and Nevis, with a distant view of mountains
The climate of Nevis
Nevis, belonging to the island pair of Saint Kitts and Nevis, is located in the Caribbean Sea. Being near the equator, this tropical isle falls under the Aw category of the Köppen climate classification - implying a tropical wet and dry climate, also recognized as a savanna climate.
Mild fluctuations in temperature characterize the year-round weather, with the hottest months being from June to November. A monthly average temperature of between 28°C (82.4°F) and 31°C (87.8°F) paints the island's summer, while winter offers slightly cooler climes ranging from 22°C (71.6°F) to 25°C (77°F). These pleasant conditions, largely consistent throughout the year, present a captivating allure for sun seekers.
Precipitation varies significantly with the tropical climate, showing clear variations between the dry and wet seasons. The island experiences light to moderate rainfall from February through June, peaking in rainfall intensity from July through December. The most rain falls in September, with an average of 139mm (5.47"), and the least rain falls in March, averaging around 36mm (1.42"). The number of rainy days per month correspondingly ranges from 13 in March, April, and June, to 20 in October, November, and December.
On average, ocean temperatures fluctuate very little, staying within the span of 26°C (78.8°F) and 29°C (84.2°F). Furthermore, the radiation from the sun is strong throughout the year, with the UV index often hitting the extreme level (12) from March to September.
Mild fluctuations in temperature characterize the year-round weather, with the hottest months being from June to November. A monthly average temperature of between 28°C (82.4°F) and 31°C (87.8°F) paints the island's summer, while winter offers slightly cooler climes ranging from 22°C (71.6°F) to 25°C (77°F). These pleasant conditions, largely consistent throughout the year, present a captivating allure for sun seekers.
Precipitation varies significantly with the tropical climate, showing clear variations between the dry and wet seasons. The island experiences light to moderate rainfall from February through June, peaking in rainfall intensity from July through December. The most rain falls in September, with an average of 139mm (5.47"), and the least rain falls in March, averaging around 36mm (1.42"). The number of rainy days per month correspondingly ranges from 13 in March, April, and June, to 20 in October, November, and December.
On average, ocean temperatures fluctuate very little, staying within the span of 26°C (78.8°F) and 29°C (84.2°F). Furthermore, the radiation from the sun is strong throughout the year, with the UV index often hitting the extreme level (12) from March to September.
The best time to visit Nevis
Optimal visiting time to Nevis depends largely on personal weather preferences. However, taking into account that the driest, warmest and brightest months fall between February and April, these months would qualify as the prime period for a visit. During this season, the UV index is quite high (noticeably exceeding 8), but may be bearable with adequate sun protection.
The worst time to visit Nevis
The unfavorable period to visit Nevis, generally, would be during the height of the rainy season. Heavy rain is most likely from July through December, with the number of rainfall days per month peaking at 20. This often coincides with the region's hurricane season, which may result in severe weather conditions.
Spring weather in Nevis
During the spring months of March through May, the daytime high temperatures gradually climb from 29°C (84.2°F) to 31°C (87.8°F). Nights, on the other hand, slowly get warmer, going from 23°C (73.4°F) in March to 25°C (77°F) in May. Rainfall during this period is moderate, with averages from 36mm (1.42") in March, peaking at 88mm (3.46") in May. The UV index remains extreme during these months, reaching a blazing 12.
Summer weather in Nevis
Summers, spanning from June through August, are seething in Nevis. The temperatures are consistent at a scorching 31°C (87.8°F) during the day and a muggy 25°C (77°F) at night. These are also wet months, with June registering 77mm (3.03"), July reaching 91mm (3.58"), and August producing a heavy 118mm (4.65") of rain. Unchanging from spring, the UV index remains at 12, but with a slight increase in daylight and sunshine hours.
Autumn weather in Nevis
As Nevis enters autumn in September, the island encounters its rainiest month with average fall of 139mm (5.47"). Nonetheless, the high temperatures endure, hanging on at 31°C (87.8°F) for the day and 25°C (77°F) for the night. Both the UV index and sea temperatures begin to decline while still remaining relatively high, at 12 and 29°C (84.2°F) respectively.
Winter weather in Nevis
Winter on Nevis continues to feature high temperatures and heavy rains. November and December see slightly reduced rainfall amounts of 124mm (4.88") and 89mm (3.5") respectively. Daytime temperatures remain warm, falling from 30°C (86°F) to 29°C (84.2°F), as do night-time temperatures, which drop from 24°C (75.2°F) to 23°C (73.4°F). The UV index decreases to 9, and sea temperatures fall to 27°C (80.6°F) in December, concluding the cycle of weather on this lush tropical island.
Weather in January
January in Nevis, Saint Kitts and Nevis presents a distinct shift from the cooler season into a slightly warmer one. Highs reach up to 28°C (82.4°F), a notch above the lows of 22°C (71.6°F). With 79mm (3.11") of rainfall spread across 17 days, it is a markedly wet month. Weather in January »
Weather in February
The weather in February marks a shift to drier conditions. Rainfall reduces significantly from January to February, making it a primarily dry month. This period experiences balanced sunshine hours of 8 each day, ensuring visitors will enjoy enough sunlight for outdoor activities. Weather in February »
Weather in March
Transitioning into March, the weather conditions in Nevis sees an extension of the dry spell from February. The temperature ranges rise slightly as we progress further into the tropical season. The UV index peaks at 12, the highest for the year, signaling strong and possibly harmful solar radiation. Weather in March »
Weather in April
April's weather is similar to March's, but with a few noticeable differences. Further escalation of the tropical season features increased rainfall and temperature ranges. A high UV index of 12 remains, requiring protective measures against severe skin burns. Weather in April »
Weather in May
May ushers in a clear start to the warmer season in Nevis, with desirable ocean temperatures and adequate sunshine. With 12.9 daylight hours, May hosts the highest amount of light for the year, leading to ample time for outdoor excursions. Weather in May »
Weather in June
In June, the warmth further intensifies as Nevis experiences peak temperatures of 31°C (87.8°F). This month experiences balanced sunshine hours and ample daylight. Although the rainfall slightly drops from May, the looming possibility of precipitation still exists. Weather in June »
Weather in July
July portrays a peak in weather conditions for most parameters. Nevis sees maximum temperatures of 31°C (87.8°F) as well as an increased frequency of rainfall totaling 91mm (3.58") over 17 days. While daylight hours reduce slightly, sunshine remains abundant during this period. Weather in July »
Weather in August
August in Nevis presents a typical tropical high season, characterized by high rainfalls and consistent temperatures. With an impressive 118mm (4.65") of rainfall dispersed over 19 days, August experiences the most substantial increase in precipitation. Weather in August »
Weather in September
September mirrors August's conditions, but the most significant distinction is the record amount of rainfall. The figure stands at 139mm (5.47"), the highest for the year. This doesn't deter outdoor activities as daylight and sunshine hours remain adequate. Weather in September »
Weather in October
October indicates the start of a receding tropical season. A decline is evident in the sea temperature and UV index. The landscape transforms slowly to a less damp version due to reduced precipitation. However, the sunshine hours remain constant, still promising a good deal of light for outdoor activities. Weather in October »
Weather in November
November sees a marked reduction in most weather parameters. The rainfall, while still high, drops from the peak levels of the tropical season. Daylight and sunshine hours remain constant, providing a sufficient balance for outdoor activities and exploration. Weather in November »
Weather in December
Nevis experiences moderate weather in December with a decline in most climatological parameters. The tropical season shadows fade as lower temperature ranges envelop the island. Despite the onsets of cooler days and nights, conditions remain favorable for various activities with daylight hours averaging around 11.1 a day. Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Nevis?
January and February bring Nevis's average lowest temperatures, reaching a high of 28°C (82.4°F).
How much does it rain in Nevis?
In Nevis, Saint Kitts and Nevis, during the entire year, the rain falls for 199 days and collects up to 1061mm (41.77") of precipitation.
What are the months with the coldest sea water in Nevis?
January through March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
What is the month with the least sunshine in Nevis?
January through March, May through December, with an average of 8h of sunshine, are months with the least sunshine.
When is the lowest UV index in Nevis?
The months with the lowest UV index in Nevis are January and December, with an average maximum UV index of 8.
What is the driest month in Nevis?
The month with the least rainfall is March, when the rain falls for 13 days and typically collects 36mm (1.42") of precipitation.
What is the month with the highest UV index in Nevis?
The months with the highest UV index in Nevis are March through September, with an average maximum UV index of 12.
What month has the most sunshine in Nevis?
April has the most sunshine of the year in Nevis, with an average of 9h of sunshine.
What is the hottest time of year in Nevis?
Warmest months in Nevis, Saint Kitts and Nevis, are June through October, with an average high-temperature of 31°C (87.8°F).
When are the longest days in Nevis?
With an average of 13h and 6min of daylight, June has the longest days of the year.
What is the wettest month in Nevis?
September is the month with the most rainfall in Nevis, Saint Kitts and Nevis. Rain falls for 18 days and accumulates 139mm (5.47") of precipitation.
What are the months with the warmest sea water in Nevis?
September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Nevis.
What is the month with the shortest days in Nevis?
The month with the shortest days is December, with an average of 11h and 6min of daylight.
Is there Daylight Saving Time (DST) in Nevis?
Nevis does not utilize Daylight Saving Time (DST). AST timezone is used over the entire year.
Average temperature
Nevis, Saint Kitts and Nevis
The warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
The months with the lowest average high temperature are January and February (28°C).
The months with the highest average low temperature are June, July, August, September and October (25°C).
The coldest months (with the lowest average low temperature) are January and February (22°C).
Average rainfall
Nevis, Saint Kitts and Nevis
The wettest month (with the highest rainfall) is September (139mm).
The driest month (with the least rainfall) is March (36mm).
Average rainfall days
Nevis, Saint Kitts and Nevis
- Average rainfall days in January:
17 days - Average rainfall days in February:
14 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13 days - Average rainfall days in May:
15 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
19 days - Average rainfall days in September:
18 days - Average rainfall days in October:
20 days - Average rainfall days in November:
20 days - Average rainfall days in December:
20 days
The months with the highest number of rainy days are October, November and December (20 days).
The months with the least rainy days are March, April and June (13 days).
Average sea temperature
Nevis, Saint Kitts and Nevis
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).
Average daylight / Average sunshine
Nevis, Saint Kitts and Nevis
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 3min - Average daylight in May:
12h and 5min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
The month with the most sunshine is April (Average sunshine: 9h).
The months with the least sunshine are January, February, March, May, June, July, August, September, October, November and December (Average sunshine: 8h).
Average UV index
Nevis, Saint Kitts and Nevis
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).
Nevis, Saint Kitts and Nevis
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