The average temperature for the week of 23 June 2025 - 29 June 2025 was 29 °C (84 °F) during the day and 16 °C (61 °F) during the night. These temperatures are above the long-time average for Luzern, being 23 °C (73 °F) for daily temperatures and 13 °C (55 °F) for night temperatures. In the middle, Thursday was coldest day of the week. The average temperatures during different times of day (local time) were following: 7am 18 °C (64 °F), 10am 24 °C (75 °F), 1pm 26 °C (79 °F), 4pm 27 °C (81 °F), 7pm 28 °C (82 °F), 10pm 22 °C (72 °F).

There were 5 days without rain, 1 day with light rain and 1 day with moderate rain during this week. Luzern received 32 mm (1.26 in) of precipitation throughout the week, which is roughly same as its long-term average of 33 mm (1.30 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 23 %.

The wind's speed averaged 2.6 m/s. The air pressure varied between 1013 hpa and 1027 hpa. The average air humidity was 69 % in Luzern.

On average, there were 11 hours clear skies, 1.5 hours partially overcast skies, 2.5 hours overcast skies and 1 hour rainy weather during the daytime (from dawn to dusk). On average, the time of sunrise was 05:33, and the time of sunset was 21:26.

Weather overview

Luzern (Switzerland) is a place with a mild climate. Temperatures during the day are in the range from 3 °C (37 °F) in January to 24 °C (76 °F) in July. The driest month is October with just 11 days of rain, on the contrary, the month when it rains the most is May with 16 days of rain. Temperatures during the night go from -2 °C (28 °F) in January to 14 °C (58 °F) in July.

January weather

The day temperature reaches its minimum in Luzern, and the minimum of the night temperature can be noticed as well in January. The beginning of the descent of the number of rainy days could be noticed, with its value being 12 days, and the rainfall amount starts to descent too. The humidity reaches its maximum, with its value being 82 %.

February weather

The day temperature rise's start could be observed, its value is 5 °C (40 °F) in Luzern, and the night temperature starts to rise too, with its value of -2 °C (29 °F). The number of rainy days continues to descent, while the minimum of the rainfall amount is observable in February. The beginning of the rise of the number of sun hours (without clouds) could be noticed, its value is 3 hours.

March weather

The day temperature continues to rise, the value of this measure is 10 °C (50 °F) in Luzern, and the rise of the night temperature can be observed too, the value of this measure is 2 °C (35 °F). The beginning of the rise of the rainfall amount could be noticed, its value is 97 mm (3.82 in), and the beginning of the rise of the number of rainy days could be noticed too in this month. The wind speed is on its maximum. The number of sun hours (without clouds) continues to rise, its value is 4 hours.

April weather

The number of rainy days continues to rise, with its value of 13 days in Luzern. The rise of the night temperature can be observed, its value is 5 °C (40 °F), and the day temperature rises similarly to the previous month too, with its value being 14 °C (57 °F). The minimum of the humidity is observable in April. The rise of the number of sun hours (without clouds) can be observed.

May weather

The number of rainy days reaches its maximum, its value is 16 days in Luzern, while the beginning of the rise of the rainfall amount could be noticed in May. The day temperature continues to rise, its value is 19 °C (66 °F), and the night temperature rises similarly to the previous month too, with its value being 9 °C (49 °F). The number of sun hours (without clouds) continues to rise.

June weather

The tourist season is about to start in Luzern. The day temperature rises similarly to the previous month, and the night temperature continues to rise as well, with its value of 12 °C (54 °F). The rainfall amount continues to rise. The day length reaches its maximum, the value of this measure is 16 hours. The number of sun hours (without clouds) rises similarly to the previous month, with its value of 6 hours.

July weather

The tourist season continues in Luzern. The day temperature is on its maximum, with its value of 24 °C (76 °F), and the maximum of the night temperature can be noticed too, with its value being 14 °C (58 °F). The rise of the rainfall amount can be observed, its value is 143 mm (5.63 in), while the number of rainy days descent's start could be observed, with its value being 15 days. The maximum of the number of sun hours (without clouds) can be noticed.

August weather

The day temperature starts to descent, with its value being 24 °C (74 °F) in Luzern, and the night temperature descent's start could be observed too, the value of this measure is 14 °C (57 °F). The tourist season continues. The maximum of the rainfall amount can be noticed, the value of this measure is 145 mm (5.72 in). The number of sun hours (without clouds) starts to descent, with its value being 6 hours.

September weather

The day temperature continues to descent, its value is 19 °C (66 °F) in Luzern, and the night temperature descents similarly to the previous month as well, its value is 11 °C (51 °F). The number of rainy days starts to descent, with its value being 12 days, and the beginning of the descent of the rainfall amount could be noticed as well, the value of this measure is 108 mm (4.26 in). The ongoing tourist season is noticeable in September. The number of sun hours (without clouds) continues to descent, the value of this measure is 5 hours.

October weather

The minimum of the number of rainy days is observable, with its value of 11 days in Luzern, while the rainfall amount descents similarly to the previous month. The descent of the day temperature can be observed, its value is 14 °C (57 °F), and the night temperature descents similarly to the previous month too, its value is 7 °C (44 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 4 hours. The wind speed is on its minimum, with its value being 2.

November weather

The day temperature continues to descent in Luzern, and the night temperature continues to descent too, with its value of 1 °C (35 °F). The number of rainy days rise's start could be observed. The number of sun hours (without clouds) continues to descent, with its value of 2 hours.

December weather

The rise of the number of rainy days can be observed, its value is 13 days in Luzern, while the rainfall amount starts to rise, with its value being 103 mm (4.04 in). The day temperature continues to descent, the value of this measure is 4 °C (39 °F), and the night temperature continues to descent too, the value of this measure is -1 °C (29 °F). The day length reaches its minimum, with its value being 8 hours. The minimum of the number of sun hours (without clouds) can be noticed, its value is 2 hours.

What level of humidity is to expect in April in Luzern?

Humidity in Luzern in April is 71 %.

Is May part of the dry season in Luzern?

No, May is not a dry month in Luzern, expect rain approximately 16 days in a month.

How many rainy days can I expect in Luzern in June?

In Luzern in June, we can expect 16 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.6 days of the week, or in general - 52 % days.

What temperature can I expect during the day in Luzern in July?

The average daily temperature in July in Luzern is 24 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

Is August part of the wet season in Luzern?

No, there is no wet season in Luzern in August - you can expect 14 days of rain during the month.

Is September a good month to visit Luzern?

September is a good month to visit Luzern. There are some people, who may feel a slight chill at 19 °C (66 °F), but others will feel perfectly fine. The temperature of 11 °C (51 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

How windy is it in Luzern in October?

In October in Luzern, there will be an average wind scale of 2. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.