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 snowfall in May
- Average snowfall 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
The transition into May marks the average high-temperature at a fresh 11.1°C (52°F), differing minimally from April's 13.6°C (56.5°F). The May nights show a slight decrease to a mean low-temperature of 6.1°C (43°F).Humidity
In May, the average relative humidity in Heriot is 81%.Rainfall
In Heriot, New Zealand, in May, during 15.3 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Heriot, there are 189 rainfall days, and 513mm (20.2") of precipitation is accumulated.Snowfall
Months with snowfall are May, July through September. May is the first month it typically snows. Throughout May, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Heriot, during the entire year, snow falls for 2.1 days and aggregates up to 23mm (0.91") of snow.Daylight
The average length of the day in May in Heriot is 9h and 26min.On the first day of May in Heriot, sunrise is at 7:39 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:08 pm NZST.
Sunshine
In May, the average sunshine in Heriot, New Zealand, is 6.2h.UV index
April through October, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During May, 3 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Heriot?
What is the average humidity in May in Heriot?
How many days does it rain in May in Heriot?
When does it start to snow in Heriot?
What is the average length of the day in May in Heriot?
When are sunrise and sunset in May in Heriot?
How many hours of sunshine does Heriot have in May?
What is the month with the lowest UV index in Heriot?
How high is the UV index in May in Heriot?
Average temperature in May
Heriot, New Zealand
- Average high temperature in May: 11.1°C
The warmest months (with the highest average high temperature) are January and February (17.3°C).
The month with the lowest average high temperature is July (8.6°C).
- Average low temperature in May: 6.1°C
The month with the highest average low temperature is January (9.8°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).
Average pressure in May
Heriot, New Zealand
- Average pressure in May: 1011.8mbar
The month with the highest atmospheric pressure is March (1016.1mbar).
The months with the lowest atmospheric pressure are September and November (1009.7mbar).
Average wind speed in May
Heriot, New Zealand
- Average wind speed in May: 16km/h
The windiest month (with the highest average wind speed) is October (16.7km/h).
The calmest month (with the lowest average wind speed) is February (13.5km/h).
Average humidity in May
Heriot, New Zealand
- Average humidity in May: 81%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are October and November (78%).
Average rainfall in May
Heriot, New Zealand
- Average rainfall in May: 39mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in May
Heriot, New Zealand
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is October (18.8 days).
The month with the least rainy days is June (13.1 days).
Average snowfall in May
Heriot, New Zealand
- Average snowfall in May: 1mm
The month with the highest snowfall is August (11mm).
The months with the least snowfall are January, February, March, April, June, October, November and December (0mm).
Average snowfall days in May
Heriot, New Zealand
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is August (0.7 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Heriot, New Zealand
- Average daylight in May: 9h and 2min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in May: 6h and 1min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).
Average sunshine days in May
Heriot, New Zealand
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in May
Heriot, New Zealand
- Average UV index in May: 3
The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).
Average cloud cover in May
Heriot, New Zealand
- Average cloud cover in May: 45
The months with the most cloud cover are October and November (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 42).
Average visibility in May
Heriot, New Zealand
- Average visibility in May: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).
