Climate and monthly weather forecastHarris, Montserrat
Climate and monthly weather forecast
The climate of Harris
Keeping in a mindful regard of the Köppen climate classification, Harris, Montserrat falls distinctly under the Am category, which equates to a Tropical monsoon climate. The geographically marvellous region encounters weather that profoundly includes high temperatures, abundant rainfall, prominent humidity, and regular wind activity throughout the entire calendar year.Analysing the climate data illuminates patterns in the various weather elements. The temperature ranges from a soothing 24.9°C (76.8°F), seen typically in the second calendar month to an estimated high of about 28.9°C (84°F), usually in September. Humidity remains relatively consistent through the entire year, usually hovering around the 76 to 78% numbers.
Harris' weather reputation carries a badge of considerable rainfall, with estimates climbing to his peak of 101mm (3.98") in October. Months like May through October are characterised by high precipitation levels, making it a notably rainy period. In contrast, February and March exhibit lower rainfall, down to approximately 27mm (1.06").
A unique pattern noticeable in the wind speeds is the incremental increase from a pleasant 19.8km/h (12.3mph) in November to a peak of 27km/h (16.8mph) in July. While the wind gusts, too, show a similar incrementing pattern, reaching 38km/h (23.6mph) in July, highlighting the windiest month of the year.
The best time to visit Harris
In assessing the most favourable time to visit Harris, several weather parameters require careful consideration. The months of February and March prove to be striking, given their lower rainfall levels, averaging around 27mm (1.06") per month and reduced numbers of rainfall days, about 19 days on average. Coinciding with comforting lower temperatures around 24.9°C (76.8°F) to 25.1°C (77.2°F), and a moderate climate makes this window ideal for a visit.The worst time to visit Harris
Conversely, the least favourable time to experience the marvels of Harris ranges from May through October. This period is associated with high precipitation, surpassing the 60mm (2.36") mark each month, and a high number of rainfall days, surpassing 22 days each month. Amidst high humidity levels and temperatures breaching the 27.4°C (81.3°F), the experience might prove to be uncomfortably humid for some visitors.Spring weather in Harris
Historically, spring in Harris arrives with moderate temperatures and considerable rainfall, engendering a moist and comfortable climate. The months of March, April, and May see temperatures varying between 25.1°C (77.2°F) to 26.4°C (79.5°F), with rainfall ranging from around 27mm (1.06") and 74mm (2.91"). Six to ten hours of sunshine is fairly common during these months, with wind speeds ranging from 24.2km/h (15mph) to 24.6km/h (15.3mph).Summer weather in Harris
Another season affected by consistent weather patterns is summer, from June to August. This period is marked by high temperatures, from approximately 26.9°C (80.4°F) to 28.6°C (83.5°F), accompanied by high rainfall, reaching upwards of 48mm (1.89") in June to a whopping 78mm (3.07") in August. The weather may reach its windiest point over 27km/h (16.8mph) in July.Autumn weather in Harris
The autumn months from September to November repeat the pattern of humidity and high rainfall with a slight increment in wind activity. Temperatures hover between 26.7°C (80.1°F) to 28.9°C (84°F), while the rainfall reaches its peak, varying between 87mm (3.43") and 101mm (3.98"). The period offers over six hours of sunshine each day along with relatively high wind speeds.Winter weather in Harris
Winter in Harris, which spans from December to February, is noted for its marginally lower temperatures, fluctuating from 24.9°C (76.8°F) to 26.3°C (79.3°F), accompanied by relatively lower values of rainfall, dropping below 56mm (2.2"). The sunny hours decrease slightly in this period, along with moderating wind speeds, setting a serene and comfortable climate scene for the winter.Weather in January
January in Harris, Montserrat is characterized by moderate precipitation falling over 22.8 days. The early part of the year brings average temperatures hovering between 26.3°C (79.3°F) and 25.3°C (77.5°F), along with a consistent easterly wind averaging around 26.1km/h (16.2mph). Weather in January »Weather in February
In February, the weather in Harris, Montserrat is slightly drier and warmer. Average relative humidity, as in January, holds steady at 75%. The relatively strong winds experienced in January lessen slightly to an average of 26km/h (16.2mph). Weather in February »Weather in March
March signifies a gradual transition to warmer weather conditions in Harris, Montserrat. A small reduction in the average number of rainfall days to 18.7 is recorded. Experiencing temperatures between 26.1°C (79°F) and 25.1°C (77.2°F), this month also maintains a steady easterly wind averaging 24.6km/h (15.3mph). Weather in March »Weather in April
April in Harris, Montserrat generally sees an increase in weather activities. The average amount of rainfall sees a significant rise to 43mm (1.69"), spread over approximately 21.9 days. Temperatures creep higher, averaging between 26.8°C (80.2°F) and 25.8°C (78.4°F), with a slight increase in relative humidity. Weather in April »Weather in May
As Harris, Montserrat moves deeper into the year, May registers a notable jump in rainfall to 74mm (2.91"). This increased precipitation phase instigates a rise in relative humidity to 78%. Temperature ranges remain stable with minor increases. Weather in May »Weather in June
June ushers in the summer season in Harris, Montserrat, with warmer conditions and decreasing rainfall. It records the second-lowest rainfall of the year with 48mm (1.89") averaged over 19.1 days. On the temperature front, it moves to warmer averages between 28.2°C (82.8°F) and 26.9°C (80.4°F). Weather in June »Weather in July
July in Harris, Montserrat carries the summer heat forward with the highest average temperatures ranging from 28.3°C (82.9°F) to 27.2°C (81°F). Interestingly, humidity remains constant at 78% compared to June. As for wind conditions, it reaches an annual high averaging at 27km/h (16.8mph). Weather in July »Weather in August
August is characterized by high rainfall, with the recorded averages reaching 78mm (3.07"). Concurrently, temperatures hold steady in the high 28°C (82.4°F) range representative of summer's peak. Conditions remain relatively windy, with winds averaging 24.9km/h (15.5mph). Weather in August »Weather in September
As Harris, Montserrat gears up to welcome autumn, September brings with it an uptick in rainfall, registering 87mm (3.43"). Concurrently, the temperatures show a minor upward move compared to August. September also sees a slight decrease in wind speed to an average of 20.5km/h (12.7mph). Weather in September »Weather in October
October in Harris, Montserrat registers the highest rainfall of 101mm (3.98"), spread across about 24 rain days. Conversely, the temperatures start to decline, aligning with the onset of fall. In addition, the average UV index maintains a constant level of 7. Weather in October »Weather in November
November, the last month of the autumn in Harris, is warm month, with temperature in the range of an average low of 26.7°C (80.1°F) and an average high of 28°C (82.4°F). Harris's shift from October to November is accompanied by an average high-temperature of a still moderately hot 28°C (82.4°F), a slight deviation from 28.6°C (83.5°F). Weather in November »Weather in December
December ushers in the cooler seasons with lower temperatures and reduced rainfall. The month registers a rainfall of 56mm (2.2") over 24.4 days. Temperatures take a slight dip compared to November. However, the wind speed increases to an average of 24.9km/h (15.5mph) along with a slight variation in atmospheric pressure. Weather in December »Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January through March, with an average relative humidity of 75%, are the least humid months in Harris, Montserrat.
Throughout the year, in Harris, there are 266.4 rainfall days, and 724mm (28.5") of precipitation is accumulated.
The months with the highest UV index in Harris are January through December, with an average maximum UV index of 7.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
The months with the least rainfall are February and March Rain falls for 19 days and accumulates 27mm (1.06") of rain.
During the coldest month in Harris, March, temperatures average a high of 26.1°C (79°F) and a low of 25.1°C (77.2°F).
The months with the highest humidity are May, July and August, with an average relative humidity of 78%.
With an average of 13h and 6min of daylight, June has the longest days of the year in Harris.
The month with the most sunshine in Harris, Montserrat, is August, with an average of 10.9h of sunshine.
September is Harris's warmest month, registering average high temperatures of 28.9°C (84°F) and lows of 27.8°C (82°F).
October is the month with the most rainfall in Harris. Rain falls for 24 days and accumulates 101mm (3.98") of precipitation.
The months with the least sunshine in Harris, Montserrat, are November and December, with an average of 6.7h of sunshine.
The month with the shortest days in Harris is December, with an average of 11h and 12min of daylight.
Harris, Montserrat, does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
Average temperature
Harris, Montserrat
The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (26.1°C).
The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is February (24.9°C).
Average pressure
Harris, Montserrat
- Average pressure in January:
1016mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1015.6mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1012.4mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1014.7mbar
The months with the highest atmospheric pressure are January and June (1016mbar).
The months with the lowest atmospheric pressure are October and November (1012.4mbar).
Average wind speed
Harris, Montserrat
- Average wind speed in January:
26.1km/h - Average wind speed in February:
26km/h - Average wind speed in March:
24.6km/h - Average wind speed in April:
24.2km/h - Average wind speed in May:
24.6km/h - Average wind speed in June:
25.8km/h
- Average wind speed in July:
27km/h - Average wind speed in August:
24.9km/h - Average wind speed in September:
20.5km/h - Average wind speed in October:
19.8km/h - Average wind speed in November:
21.3km/h - Average wind speed in December:
24.9km/h
The windiest month (with the highest average wind speed) is July (27km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).
Average humidity
Harris, Montserrat
The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall
Harris, Montserrat
The wettest month (with the highest rainfall) is October (101mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days
Harris, Montserrat
- Average rainfall days in January:
22.8 days - Average rainfall days in February:
19 days - Average rainfall days in March:
18.7 days - Average rainfall days in April:
21.9 days - Average rainfall days in May:
23.3 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
23.3 days - Average rainfall days in September:
23.2 days - Average rainfall days in October:
24 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
24.4 days
The month with the highest number of rainy days is December (24.4 days).
The month with the least rainy days is March (18.7 days).
Average daylight / Average sunshine
Harris, Montserrat
- Average daylight in January:
11h and 18min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 54min - Average daylight in June:
13h and 6min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 12min
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 12min).
- Average sunshine in January:
7h and 24min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 0min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 54min - Average sunshine in September:
10h and 48min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days
Harris, Montserrat
- Average sunshine days in January:
3.5 days - Average sunshine days in February:
3.8 days - Average sunshine days in March:
5.9 days - Average sunshine days in April:
3.6 days - Average sunshine days in May:
2.4 days - Average sunshine days in June:
2.2 days
- Average sunshine days in July:
1.8 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
3.9 days - Average sunshine days in October:
3.7 days - Average sunshine days in November:
2.9 days - Average sunshine days in December:
2.8 days
The month with the most sunshine days is March (5.9 days).
The month with the least sunshine days is July (1.8 days).
Average UV index
Harris, Montserrat
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Harris, Montserrat
The months with the most cloud cover are June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility
Harris, Montserrat
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).
