Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Riverhead experiences an average high-temperature of a still comfortable 16.8°C (62.2°F) with the onset of May, subtly varied from April's 19.1°C (66.4°F). Riverhead maintains a near steady average temperature of 13.3°C (55.9°F) during the nights of May, demonstrating little drop from daytime highs.Humidity
The average relative humidity in May is 78%.Rainfall
In Riverhead, during May, the rain falls for 17.8 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, in Riverhead, there are 183.9 rainfall days, and 624mm (24.57") of precipitation is accumulated.Daylight
The average length of the day in May is 10h and 11min.On the first day of the month, sunrise is at 7:00 am and sunset at 5:36 pm. On the last day of May, sunrise is at 7:24 am and sunset at 5:14 pm NZST.
Sunshine
The average sunshine in May in Riverhead is 6.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Riverhead?
What is the average humidity in May in Riverhead?
How much does it rain in Riverhead in May?
How many hours of daylight does Riverhead have in May?
What time are sunrise and sunset in May in Riverhead?
How many hours of sunshine does Riverhead have in May?
How high is the UV index in May in Riverhead?
Average temperature in May
Riverhead, New Zealand
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is February (22.5°C).
The month with the lowest average high temperature is July (13.7°C).
- Average low temperature in May: 13.3°C
The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).
Average pressure in May
Riverhead, New Zealand
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is September (1014.8mbar).
Average wind speed in May
Riverhead, New Zealand
- Average wind speed in May: 18km/h
The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is February (14km/h).
Average humidity in May
Riverhead, New Zealand
- Average humidity in May: 78%
The month with the highest relative humidity is August (80%).
The months with the lowest relative humidity are January, March and November (77%).
Average rainfall in May
Riverhead, New Zealand
- Average rainfall in May: 64mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are January, February and March (34mm).
Average rainfall days in May
Riverhead, New Zealand
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is January (10.7 days).
Average daylight in May /
Average sunshine in May
Riverhead, New Zealand
- Average daylight in May: 10h and 1min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in May: 6h and 5min
The months with the most sunshine are January and December (Average sunshine: 7h and 48min).
The months with the least sunshine are August and September (Average sunshine: 6h and 12min).
Average sunshine days in May
Riverhead, New Zealand
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in May
Riverhead, New Zealand
- Average UV index in May: 4
The months with the highest UV index are January, February, March, April and December (UV index 5).
The month with the lowest UV index is June (UV index 3).
Average cloud cover in May
Riverhead, New Zealand
- Average cloud cover in May: 45
The month with the most cloud cover is September (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 39).
Average visibility in May
Riverhead, New Zealand
- Average visibility in May: 10km
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).
