Normal weather for Iselin in May
It's pleasantly warm in May in Iselin with an average temperature of 22°C. Temperatures this month range from a low of 17°C to a high of 26°C. At night, you can expect temperatures between 8°C and 17°C.
In May, there is an average of 184 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Iselin in May |
New York | ||
|---|---|---|---|
 Average Temperature |
22°C | 22°C | |
 High Temp |
26°C | 28°C | |
| Low Temp |
17°C | 17°C | |
 Total Precipitation |
184 mm | 105 mm | |
| Rainy Days |
21 days | 14 days | |
Start of May
The month of May starts in Iselin with mild temps, averaging around 20°C during the day and nights around 10°C. There are plenty of days with a good chance of precipitation.
With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid May
By mid-May, daytime temps rise to around 21°C, with nights around 11°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
End of May
By the end of May, the average daytime temperature in Iselin is around 25°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended. A T-shirt, light pants or skirt, and a light jacket are great for the day. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is May a good time to visit Iselin?
Looking for sun? May isn’t a good month to be in Iselin. The temperature is nice, but there’s too much chance of rain.
Temperature records for Iselin in May
Check out the climate of Iselin for all months and discover the best travel time
April
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Daily Temperature in May in Iselin
This chart shows the average daily high and low temperatures in May for Iselin, 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 Iselin
The chart below shows the average daily precipitation in May for Iselin, 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 21 days of precipitation in Iselin.
Daily UV Index in May in Iselin
This chart shows the average daily UV index in May in Iselin, 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 Iselin Over the Years
This chart shows the average temperature in May in Iselin, measured in degrees Celsius, over the past few years.
Total Precipitation in May in Iselin Over the Years
This chart shows the average precipitation in May in Iselin, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in May for Iselin
Click on any day in May to get detailed info about the usual weather on that day in Iselin. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Iselin
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Average Weather in Iselin by Month
Click on a month below to see detailed weather info for Iselin. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
