PortugalAverage weather for Castro Marim in May
It's warm in May in Castro Marim with an average temperature of 25°C. Temperatures this month range from a low of 22°C to a high of 26°C. At night, you can expect temperatures between 15°C and 18°C.
Start of May
The month of May starts in Castro Marim with warm temps, averaging around 24°C during the day and nights around 16°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid May
By mid-May, daytime temps rise to around 26°C, with nights around 17°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers.
End of May
By the end of May, the average daytime temperature in Castro Marim is around 25°C, while nighttime temps are about 18°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Water temperature
The water temperature at Castro Marim is 20°C this month. Refreshing if you feel like a swim.
In May, there is an average of 23 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Castro Marim in May |
New York | ||
|---|---|---|---|
 Average temperature |
25°C | 22°C | |
 Max. temperature |
26°C | 28°C | |
| Min. temperature |
22°C | -5°C | |
 Total precipitation |
23 mm | 105 mm | |
| Rainy days |
3 days | 14 days | |
April
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Castro Marim?
Looking for great weather? May is a good time to be in Castro Marim. The temperatures are nice, and there’s not too much rain.
Temperature records
With 34°C in 2015, Castro Marim reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 17°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 23°C.
Check out the climate of Castro Marim for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Daily Temperature in May in Castro Marim
This chart shows the average daily high and low temperatures in May for Castro Marim, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Castro Marim
The chart below shows the average daily precipitation in May for Castro Marim, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 3 days of precipitation in Castro Marim.
Daily UV index in May in Castro Marim
This chart shows the average daily UV index in May in Castro Marim, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Castro Marim over the years
This chart shows the average temperature in May in Castro Marim, measured in degrees Celsius, over the past few years.
Total precipitation in May in Castro Marim over the years
This chart shows the average precipitation in May in Castro Marim, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Castro Marim
Click on any day in May to get detailed info about the usual weather on that day in Castro Marim. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Castro Marim
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Average weather in Castro Marim by month
Click on a month below to see detailed weather info for Castro Marim. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Castro Marim for all months at once
