Climate and monthly weather forecastAshton, Saint Vincent and the Grenadines
Ashton, Saint Vincent and the Grenadines - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the least rainfall in Ashton is February, when the rain falls for 14.8 days and typically collects 23mm (0.91") of precipitation. During these months, Ashton experiences relatively lower precipitation, ranging from 23mm (0.91") to 32mm (1.26"), and fewer rainfall days, from 14.8 to 17.7.
Climate and monthly weather forecast
The climate of Ashton
Ashton, a town located in Saint Vincent and the Grenadines, shows the prominent features of the Köppen climate classification. The area experiences a tropical rainforest climate, characterized by consistent temperatures and abundant rainfall throughout the year.As per the data, temperatures in Ashton maintain a stable range, with averages fluctuating between 25.8°C (78.4°F) and 28.8°C (83.8°F). There is a subtle increase in both the high and low temperatures noted from the beginning to the middle of the year. In general, the month of September tends to be the warmest, displaying an average high of 28.8°C (83.8°F) and an average low temperature of 28°C (82.4°F).
It is also notable that the mean relative humidity is consistently high, falling within 75% to 78%. The level of precipitation reflects the town's tropical rainforest conditions, with Ashton witnessing a minimum of 23mm (0.91") of rainfall in February, extending to a maximum of 94mm (3.7") in August. The area typically experiences rain for about 14.8 to 24.3 days each month, demonstrating a high frequency of rainfall days.
Observing the wind speed, there is a minor fluctuation between 20.6km/h (12.8mph) to 29.3km/h (18.2mph) on average, with the highest average gust speed reaching 40.3km/h (25mph) in February.
The best time to visit Ashton
Given the uniformity in Ashton's climate conditions, the best time to visit depends largely on visitor preferences and holiday activities. However, considering the patterns of rainfall and temperature, the period from January to April appears to be most promising. During these months, Ashton experiences relatively lower precipitation, ranging from 23mm (0.91") to 32mm (1.26"), and fewer rainfall days, from 14.8 to 17.7. Furthermore, the average temperatures during this time vary between 25.8°C (78.4°F) to 27.3°C (81.1°F), making it a comfortable period for sightseeing and other outdoor activities.The worst time to visit Ashton
The least favorable time to visit Ashton falls between June and September. During these months, the town witnesses the highest level of rainfall, with precipitation reaching up to 94mm (3.7") and the number of rainfall days peaking at 24.3. The temperatures during this period are also on the higher side, ranging from 28°C (82.4°F) to 28.8°C (83.8°F). Coupled with the town's high relative humidity, the weather might feel rather uncomfortable, especially for tourists not accustomed to a tropical climate.Spring weather in Ashton
Spring represents a moderate time in Ashton, with temperatures varying from 25.9°C (78.6°F) to 26.2°C (79.2°F) during March to May. The town also experiences an increase in rainfall during this season, escalating from 26mm (1.02") in March to 29mm (1.14") in May. Notably, the length of daylight extends over this period, growing from 12.1 hours in March to 12.7 hours by May, allowing more time for outdoor activities.Summer weather in Ashton
The period from June to August characterizes the summer season in Ashton. The high temperatures, ranging from 28.3°C (82.9°F) to 28.7°C (83.7°F), combined with an escalation in rainfall, from 53mm (2.09") to 94mm (3.7"), are noteworthy. Coupled with the high humidity levels, these months can feel quite hot and humid. Nonetheless, the season does bring along increased daylight hours, stretching up to 12.8 hours in July.Autumn weather in Ashton
Autumn in Ashton, spanning from September to November, represents a slight decrease in the town's temperatures, with a range from 27.9°C (82.2°F) to 28.2°C (82.8°F). However, rainfall remains relatively high during this season, oscillating between 81mm (3.19") and 64mm (2.52"). The amount of daylight begins to shorten during this period, reducing to 11.6 hours by November.Winter weather in Ashton
Winter, observed from December to February, typically sees temperatures ranging between 25.8°C (78.4°F) to 26.5°C (79.7°F). The rainfall slightly subsides during this season, falling to 39mm (1.54") in December from 64mm (2.52") in November. The daylight hours also continue to decrease, reaching 11.4 hours in December, the shortest duration of the year. Despite the decrease in daylight, the winter months offer relatively comfortable weather for exploring Ashton.Weather in January
January ushers in the new year with characteristic warmth and humidity, keeping Ashton, Saint Vincent, and the Grenadines on its tropical weather track. This month, with typical consistency, has the second-lowest amount of daylight, limiting outdoor activities. Weather in January »Weather in February
Despite being the shortest month, February brings slightly more daylight to Ashton, enhancing the scope for outdoor recreational activities. Winds maintain a steady pace, giving rise to pleasant breeze-filled evenings. The month observes a drop in precipitation, from 26mm (1.02") in January to 23mm (0.91"). Weather in February »Weather in March
As Ashton steps into March, the slight increase in daylight encourages more exploration of the city's scenic landscapes. Residents and tourists enjoy the relatively constant sea temperatures, ideal for indulging in various water sports. Weather in March »Weather in April
April showcases Ashton at its vibrant best, with outdoor activities taking center stage thanks to extended daylight hours. Receiving 32mm (1.26") of precipitation, April experiences an increase in rainfall from March. The sea temperature remains unchanged, offering visitors ample opportunities for exciting aquatic adventures. Weather in April »Weather in May
As summer nears, May in Ashton brings with it an increase in temperature, amplifying the city's tropical ambiance. Daylight extends further, giving a more extended timeframe for tourists and locals to enjoy the city in all its glory. Weather in May »Weather in June
June marks the beginning of summertime in Ashton, characterized by distinct tropical weather conditions. The city receives a substantial jump in rainfall to 53mm (2.09"), signalling the arrival of the wet season. There's a slight increase in sea temperature that continues to permit enjoyable beach activities. Weather in June »Weather in July
July in Ashton features weather conditions typical of the tropical wet season. Experiencing the highest rainfall of 74mm (2.91"), July is indeed the rainiest month of the year. The high humidity level coincides with the monsoon period, and the constant sea temperature provides a refreshing respite. Weather in July »Weather in August
August's weather in Ashton brings the highest average highs and lows in temperature, marking the peak of the summer season. The city receives a deluge of rain, with an impressive 94mm (3.7") of precipitation, next only to the preceding month of July. Weather in August »Weather in September
As summer begins to wind down, September in Ashton displays a slight slump in temperature highs and lows. The month reports a sizeable reduction in rainfall to 81mm (3.19"), promising slightly drier conditions compared to August. Weather in September »Weather in October
In October, Ashton displays visible signs of the departure of the wet season. Despite a decrease in daylight, the UV index remains stable, making sun protection measures a must. There is an increase in wind speeds, possibly a residue of the terminal phase of the hurricane season. Weather in October »Weather in November
November witnesses a clear shift in Ashton's weather system as the city inches towards the year-end. A marked decrease in rainfall to 64mm (2.52") suggests the imminent arrival of the dry season. Similarly, the amount of daylight decreases, although it does not significantly hinder outdoor activities. Weather in November »Weather in December
Concluding the year, December in Ashton showcases a pleasant blend of climatic conditions. A palpable easing of rainfall to 39mm (1.54") brings the promise of drier, more comfortable days ahead. Temperature fluctuations are negligible, allowing for a consistent weather pattern throughout the month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Ashton, Saint Vincent and the Grenadines
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).
The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).
Average pressure
Ashton, Saint Vincent and the Grenadines
- Average pressure in January:
1014.2mbar - Average pressure in February:
1014.1mbar - Average pressure in March:
1014mbar - Average pressure in April:
1013.7mbar - Average pressure in May:
1013.8mbar - Average pressure in June:
1014.5mbar
- Average pressure in July:
1014.2mbar - Average pressure in August:
1013.1mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed
Ashton, Saint Vincent and the Grenadines
- Average wind speed in January:
29km/h - Average wind speed in February:
29.3km/h - Average wind speed in March:
26.8km/h - Average wind speed in April:
26km/h - Average wind speed in May:
26.4km/h - Average wind speed in June:
28.3km/h
- Average wind speed in July:
26.7km/h - Average wind speed in August:
23.3km/h - Average wind speed in September:
20.6km/h - Average wind speed in October:
22.4km/h - Average wind speed in November:
24.5km/h - Average wind speed in December:
27.8km/h
The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).
Average humidity
Ashton, Saint Vincent and the Grenadines
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).
Average rainfall
Ashton, Saint Vincent and the Grenadines
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days
Ashton, Saint Vincent and the Grenadines
- Average rainfall days in January:
18.7 days - Average rainfall days in February:
14.8 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
20 days
- Average rainfall days in July:
24.1 days - Average rainfall days in August:
24.3 days - Average rainfall days in September:
21.4 days - Average rainfall days in October:
22.1 days - Average rainfall days in November:
20.4 days - Average rainfall days in December:
19.5 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).
Average sea temperature
Ashton, Saint Vincent and the Grenadines
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, March, April and December (27°C).
Average daylight / Average sunshine
Ashton, Saint Vincent and the Grenadines
- Average daylight in January:
11h and 30min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 48min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
10h and 0min - Average sunshine in October:
8h and 24min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days
Ashton, Saint Vincent and the Grenadines
- Average sunshine days in January:
7.1 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
5.8 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
4.2 days
- Average sunshine days in July:
1.7 days - Average sunshine days in August:
3.2 days - Average sunshine days in September:
5.4 days - Average sunshine days in October:
6.5 days - Average sunshine days in November:
5.8 days - Average sunshine days in December:
6.2 days
The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).
Average UV index
Ashton, Saint Vincent and the Grenadines
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
Ashton, Saint Vincent and the Grenadines
The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility
Ashton, Saint Vincent and the Grenadines
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).





