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Castries in June: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Castries in June will be like? Take a look at our weather guide for Castries, based on historical data.
Check flight prices to Castries on Avionero:
June

Weather in Castries in June 2026

OK Weather
Warm
🌧️
Rainy
If you plan to visit Castries in June, the weather is typically alright, with an average high temperature of +82°F during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 24 rainy days in the month and around 74 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+82°F
Avg. max. temperature
+70°F
Min.
+91°F
Max.
74 mm
Total precipitation
78%
Avg. humidity
6 m/s
Avg. wind
0 ☀️
Sunny Days
5 ⛅️
Cloudy
24 🌦
Rainy
Our opinion: Castries has OK weather in June.

Average temperature in Castries in June

Here are the expected maximum, average and minimum temperatures in Castries for June based on the historical data.
Last Year
Historical Data

Going from a maximum of +90°F during the day to a minimum of +77°F during the night, the temperature in June averages around +88°F.

The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +90°F to +88°F.

Is Castries warm or cold in June?

Castries is typically warm in June.

Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +79°F to +79°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how June is compared to other months in Castries:

Climate in Castries in June

Castries weather looks like this, on average, in June and the surrounding months.
MayJuneJuly
Avg. temperature
+82°F+82°F+82°F
Min. temperature
+73°F+70°F+68°F
Max. temperature
+91°F+91°F+90°F
Rainfall
45 mm74 mm96 mm
Wind
6 m/s6 m/s6 m/s
Humidity
77%78%79%
Air pressure
1013 HPa1014 HPa1014 HPa
Sunny days
100
Cloudy days
852
Rainy days
222428
Snowy days
000

June typically has worse weather conditions compared to May. The temperature levels stay the same in the area of +82°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 45 mm to 74 mm. Humidity rises from 77% to 78%. The average wind speed doesn’t change much during June, staying around 6 m/s. The days becoming less sunny, going from 1 sunny days in May to 0 in June.

July brings much the same weather, it remains ok.

Wind

Wind speed in Castries in June based on historical data.
Last Year
Historical Data

The average wind speed is 8 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Castries is gradually increasing during June, going from 8 m/s to 8 m/s over the course of the month.

Rain

Amount of rainfall in mm during June in Castries based on historical data.
Last Year
Historical Data
Typically, there is a 67% chance of rain on an average day in June, with total rainfall of approximately 156 mm. The maximum amount of rainfall per day is around 77 mm, which is considered heavy rain. June is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how June is compared with other months in the amount of precipitation, total mm:
Castries wettest month is October, where a typical day has a 81% chance of precipitation and 124 mm of rainfall per day. February, on the other hand, is the driest month with a mere 68% chance of precipitation and 22 mm of rainfall per day.

How was the weather last June in Castries?

This is the weather in Castries in June 2024:
1 June
☁️
+89°F
2 June
🌧️
+87°F
3 June
☁️
+89°F
4 June
☀️
+89°F
5 June
☁️
+89°F
6 June
🌧️
+89°F
7 June
☀️
+88°F
8 June
☁️
+88°F
9 June
☁️
+88°F
10 June
☁️
+88°F
11 June
☁️
+89°F
12 June
🌧️
+88°F
13 June
🌧️
+88°F
14 June
☁️
+89°F
15 June
☁️
+88°F
16 June
☀️
+89°F
17 June
☀️
+89°F
18 June
☁️
+89°F
19 June
☀️
+89°F
20 June
☀️
+89°F
21 June
🌧️
+88°F
22 June
🌧️
+88°F
23 June
🌧️
+81°F
24 June
☀️
+88°F
25 June
☀️
+86°F
26 June
☁️
+88°F
27 June
🌧️
+85°F
28 June
🌧️
+83°F
29 June
🌧️
+89°F
30 June
☀️
+88°F
In June 2024 Castries had 9 sunny days, 11 cloudy days, and 10 rainy days. The average maximum temperature was +88°F, with an absolute maximum of +90°F and a minimum of +81°F. The average humidity was 79%, with a maximum of 98% and a minimum of 62%. The average wind speed was 8 m/s, with a maximum of 18 m/s and a minimum of 0 m/s.
Are you planning a trip in June?

Climate Change Over the Years

This is how Castries climate has changed over the last 43 years.

The climate in Castries in June has not changed that much over the last 43 years.

The average temperature was the lowest in 1989 (+80°F) and the highest in 2024 (+88°F). The driest year was 2015 with only 515 mm of rainfall, and the wettest year was 2010 with 1324 mm.

FAQ

Frequently asked questions about the weather in Castries in June:

Is June a good time to visit Castries?

It’s always a good time to visit Castries, but the weather is changeable in June, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Castries in June?

June is warm in Castries. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Castries rainy in June?

Castries is often rainy in June. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Castries in June?

Usually, it’s not very sunny in Castries in June, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Castries

Source of the data

For this page, we’ve looked at the typical weather in Castries, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.