IrelandThe climate of Saint Johns Port
The current climate in Saint Johns Port features temperatures ranging from a high of 18°C to a low of 8°C throughout the year. The average yearly temperature is around 13°C. At night, temperatures in the colder months average around 3°C and in the warmer months around 12°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Saint Johns Port, Ireland.
Temperature records
The highest temperature recorded in Saint Johns Port in recent years was 29°C in July 2021. The lowest daytime temperature recorded was -1°C in December 2022.
Precipitation and snowfall
On average, Saint Johns Port gets 1123 mm of precipitation each year. Of this, about 9,5 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Saint Johns Port?
The best time to visit Saint Johns Port for mild to warm weather is May up to September. You might get some rain, but the temperatures are just right to explore Saint Johns Port.
Climate Table of Saint Johns Port
The climate table of Saint Johns Port shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 8 | 9 | 10 | 12 | 15 | 17 | 18 | 18 | 17 | 13 | 10 | 9 |
| Temp. min (°C) | 4 | 4 | 4 | 5 | 8 | 11 | 12 | 12 | 11 | 8 | 6 | 5 |
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| Precipitation (mm) | 113 | 111 | 91 | 50 | 67 | 75 | 94 | 106 | 76 | 100 | 108 | 132 |
| Snow (cm) | 4,6 | 2,0 | 1,0 | 0,1 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 1,6 |
| UV Index | 1 | 2 | 3 | 5 | 5 | 6 | 5 | 5 | 3 | 2 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Saint Johns Port, Ireland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Saint Johns Port
Yearly Temperature in Saint Johns Port
Precipitation charts
These charts show the average amount of precipitation in Saint Johns Port, Ireland. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Saint Johns Port
Total Yearly Precipitation in Saint Johns Port
Average Snowfall per Month in Saint Johns Port
Total Yearly Snowfall in Saint Johns Port
UV index chart
This chart shows the average UV index per month in Saint Johns Port, Ireland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Saint Johns Port
Weather experiences in Saint Johns Port
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Average weather in Saint Johns Port by month
Click on a month below to see detailed weather info for Saint Johns Port. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.