Beromünster is a municipality in the district of Sursee in the canton of Lucerne in Switzerland.

Of the rest of the land, 14.1% is settled (buildings or roads) and the remainder (0.2%) is non-productive (rivers, glaciers or mountains).

Of the settled areas, 4.29% is covered with buildings, 0.24% is industrial, 0.68% is classed as special developments, 0.27% is parks or greenbelts and 2.49% is transportation infrastructure.

It consists of two separate settlements, Flecken in a depression and the church owned village of Beromünster on the western side of a hill.

Flecken consists of three rows of houses, built following a fire in 1764, along the main and parallel side road.

As of 2005[update], there were 91 people employed in the primary economic sector and about 32 businesses were involved.

In the 2000 census[update] the religious membership of Beromünster was; 3,650 (82.1%) were Roman Catholic, and 330 (7.4%) were Protestant, with an additional 73 (1.64%) that were of some other Christian faith.

[7] The historical population is given in the following table:[4] Beromünster is the site of the Blosenbergturm, a 215–217 m (705–712 ft) tall radio tower built in 1937.

The wettest month is June, when Beromünster receives an average of 150 mm (5.9 in) of precipitation.

The driest month of the year is October with an average of 74 mm (2.9 in) of precipitation over 13.2 days.