When is the best time to go to Shannon

Best time to go
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Worst time to go

The chart above shows the best time of year to visit Shannon, Ireland. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Shannon

Shannon weather by month

Please note our recommendations for when to visit Shannon are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Shannon January weather averages
Temp Rain Sunshine Day length Sea temp
7°C 99mm 1.9hrs 9.6hrs 10°C

January in Shannon is generally a little damp with the temperature being cool.

Based on weather alone, this is probably a time of year to avoid going to Shannon for your holidays. The weather is often not a good and not conducive to spending time outdoors.

January is in the winter in Shannon and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 8°C (47°F), whilst at night 3°C (37°F) is normal.

On average January is the driest month of the year in Shannon with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.9 hours of sunshine per day.

Shannon weather in January »

February

Shannon February weather averages
Temp Rain Sunshine Day length Sea temp
8°C 74mm 2.6hrs 11.1hrs 10°C

February in Shannon is generally reasonably dry with the temperature being cool.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Shannon.

February is in the winter in Shannon and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (47°F), whilst at night 3°C (37°F) is normal.

On average February is the 2nd driest month of the year in Shannon with around 74mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.6 hours of sunshine per day.

Shannon weather in February »

March

Shannon March weather averages
Temp Rain Sunshine Day length Sea temp
10°C 72mm 3.6hrs 12.9hrs 10°C

The weather in March in Shannon is characteristically cool and reasonably dry.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Shannon.

March is in the spring in Shannon and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 4°C (39°F) is normal.

On average March is the 3rd driest month of the year in Shannon with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.6 hours of sunshine per day.

Shannon weather in March »

April

Shannon April weather averages
Temp Rain Sunshine Day length Sea temp
12°C 59mm 5.3hrs 15.1hrs 10°C

Shannon's weather in April is typically cool and reasonably dry in nature.

It is perhaps the perfect month to visit Shannon, with some very good weather at this time of year.

April is in the spring in Shannon and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 5°C (41°F) is normal.

On average April is the 4th driest month of the year in Shannon with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 hours of sunshine per day.

Shannon weather in April »

May

Shannon May weather averages
Temp Rain Sunshine Day length Sea temp
14°C 64mm 6.2hrs 17.1hrs 12°C

May is a reasonably dry month in Shannon and the temperature is generally mild.

It is perhaps the perfect month to visit Shannon, with some inordinately good weather at this time of year.

May is in the spring in Shannon and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 7°C (45°F) is normal.

On average May is the 5th driest month of the year in Shannon with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

Shannon weather in May »

June

Shannon June weather averages
Temp Rain Sunshine Day length Sea temp
16°C 64mm 5.6hrs 9.6hrs 14°C

The climate in Shannon during June can be summarized as mild and reasonably dry.

It is perhaps the perfect month to visit Shannon, with some extremely good weather at this time of year.

June is in the summer in Shannon and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.

On average June is the 6th driest month of the year in Shannon with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.6 hours of sunshine per day.

Shannon weather in June »

July

Shannon July weather averages
Temp Rain Sunshine Day length Sea temp
17°C 66mm 5hrs 11.1hrs 16°C

July in Shannon is generally reasonably dry with the temperature being mild.

It is perhaps the perfect month to visit Shannon, with some extremely good weather at this time of year.

July is in the summer in Shannon and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 12°C (53°F) is normal.

On average July is the 6th wettest month of the year in Shannon with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 5 hours of sunshine per day.

Shannon weather in July »

August

Shannon August weather averages
Temp Rain Sunshine Day length Sea temp
17°C 85mm 4.8hrs 12.9hrs 16°C

The weather in August in Shannon is characteristically mild and a little damp.

It is perhaps the perfect month to visit Shannon, with some extremely good weather at this time of year.

August is in the summer in Shannon and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 12°C (53°F) is normal.

On average August is the 5th wettest month of the year in Shannon with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

Shannon weather in August »

September

Shannon September weather averages
Temp Rain Sunshine Day length Sea temp
15°C 91mm 4hrs 15.1hrs 15°C

Shannon's weather in September is typically mild and a little damp in nature.

It is perhaps the perfect month to visit Shannon, with some particularly good weather at this time of year.

September is in the fall / autumn in Shannon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 10°C (50°F) is normal.

On average September is the 4th wettest month of the year in Shannon with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 4 hours of sunshine per day.

Shannon weather in September »

October

Shannon October weather averages
Temp Rain Sunshine Day length Sea temp
13°C 97mm 2.9hrs 17.1hrs 14°C

October is a a little damp month in Shannon and the temperature is generally mild.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Shannon.

October is in the fall / autumn in Shannon and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night 8°C (46°F) is normal.

On average October is the 3rd wettest month of the year in Shannon with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.9 hours of sunshine per day.

Shannon weather in October »

November

Shannon November weather averages
Temp Rain Sunshine Day length Sea temp
9°C 100mm 2.2hrs 9.6hrs 12°C

November is a damp month in Shannon and the temperature is generally cool.

Based on weather alone, this is probably a time of year to avoid going to Shannon for your holidays. The weather is often not a good and not conducive to spending time outdoors.

November is in the fall / autumn in Shannon and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 5°C (40°F) is normal.

On average November is the 2nd wettest month of the year in Shannon with around 100mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.2 hours of sunshine per day.

Shannon weather in November »

December

Shannon December weather averages
Temp Rain Sunshine Day length Sea temp
8°C 109mm 1.7hrs 11.1hrs 11°C

December in Shannon is generally damp with the temperature being cool.

Based on weather alone, this is probably a time of year to avoid going to Shannon for your holidays. The weather is often not a good and not conducive to spending time outdoors.

December is in the winter in Shannon and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.

On average December is the wettest month of the year in Shannon with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.7 hours of sunshine per day.

Shannon weather in December »

Other monthly averages

UV index Best time to go?

Shannon weather stats

Shannon weather statistics
Hottest month: July 19.2°C 66.6°F
Driest month: April 59mm 2.3ins
Sunniest month: May 6.2hrs
Coldest month: January 8.1°C 46.6°F
Wettest month: December 109mm 4.3ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Shannon (52.70389, -8.86417)

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