Micronesia Guam Mission
The Micronesia Guam Mission is the only mission of The Church of Jesus Christ of Latter-day Saints in Micronesia, centered on Guam. Below you’ll find the mission office address, tips for letters and packages, weather, language and temples.
At a glance
- Organized1 July 1980
- Mission leadersChristopher K. and Teresa M. Williams began serving around July 2025, according to the Church Newsroom.
- LanguageMissionaries here usually teach in English and Chamorro; your call letter tells you your exact language.
- WeatherNear Guam, the warmest month is usually November (average high about 84°F / 29°C) and the coolest is February (average low about 79°F / 26°C), with roughly 2,677 mm of rain a year. The wettest months are August, September and October.
- The Church hereMicronesia has about 6,241 Church members.
This is an unofficial family guide, not affiliated with the Church; always follow your call packet and the Missionary Portal.
Mission office
Address & phone
- Office address
- 620 W Route 8, 96913 Barrigada, Guam
Source: Unofficial third-party directory (latterdaymissions.com) — may be out of date unofficial — confirm before mailing as of October 8, 2026
We haven’t verified the mission’s phone or email yet — use the contacts in your call packet or the Missionary Portal.
Mission leaders
Who leads the mission
Christopher K. and Teresa M. Williams
Serving since July 2025 · new leaders expected July 2028
Source: Church Newsroom 2025 · as of October 8, 2026
Letters & packages
How to send letters & packages
Guam uses U.S. domestic mail; other islands may use USPS domestic rates (Compact) — check with the mission office.
- Your missionary can email weekly on P-day (preparation day: their weekly day for errands, letters and rest); letters and packages are optional extras.
- Confirm the current mailing address with the mission office or the call packet before sending — offices move.
- Small, padded envelopes usually travel faster and cheaper than boxes; declare contents honestly and avoid restricted items.
Weather & climate
Seasons, rain & live weather
Profile: tropical, very-wet · about 2677 mm of rain a year · wettest months: Aug, Sep, Oct.
Monthly averages
| Avg high | Avg low | Rain | |
|---|---|---|---|
| Jan | 82°F / 28°C | 80°F / 26°C | 93 mm |
| Feb | 82°F / 28°C | 79°F / 26°C | 77 mm |
| Mar | 82°F / 28°C | 80°F / 26°C | 62 mm |
| Apr | 83°F / 28°C | 80°F / 27°C | 89 mm |
| May | 83°F / 29°C | 81°F / 27°C | 136 mm |
| Jun | 84°F / 29°C | 80°F / 27°C | 189 mm |
| Jul | 84°F / 29°C | 80°F / 27°C | 338 mm |
| Aug | 84°F / 29°C | 80°F / 27°C | 426 mm |
| Sep | 84°F / 29°C | 80°F / 27°C | 436 mm |
| Oct | 84°F / 29°C | 80°F / 27°C | 403 mm |
| Nov | 84°F / 29°C | 81°F / 27°C | 229 mm |
| Dec | 84°F / 29°C | 81°F / 27°C | 122 mm |
Monthly averages computed from Open-Meteo historical weather data (2016–2025, ERA5 reanalysis) for a ~1° grid cell near the mission city. Approximate; local altitude and coast effects vary.
Language
What you’ll speak
English, Chamorro
English uses the Latin alphabet; spelling is irregular, so listen a lot. Accents vary widely by region (US South, Caribbean, Scottish, Australian, Nigerian, etc.).
Assignments can include other languages; your call letter states your language.
Nearby temples
Closest temples & distances
- Tacloban City Philippines Temple — Under construction (18 January 2025) · about 1,346 mi (2,166 km) from Guam
The Church in Micronesia
Members & congregations
- Official Languages
- English
- Church Membership
- 6,241
- Congregations
- 22 (5 Wards, 17 Branches)
- Number of Missions
- 0
- Operating Temples
- 0
Newsroom Facts & Statistics · updated Fri Mar 06 2026
Practical
Time zone, currency, calling code
- Time zone
- Pacific/Guam
- Currency
- USD
- Country code
- +1
- Organized
- 1 July 1980
Culture & food
Customs & local food
- Respect island and clan customs.
- Island time—be patient.
Foods: Red rice, Kelaguen, Fish and coconut
Family groups
Connect with other families
- Micronesia Guam Mission (Zarbock) Group
- Micronesia Guam Mission (Return Missionaries) Group
- Micronesia Guam Mission Facebook Group
- Pilipino RMs Micronesia Guam Mission Group
As listed by latterdaymissions.com (unofficial). Groups may be private, renamed, or inactive.
Common questions
Quick answers
Who is the mission president of the Micronesia Guam Mission?
The mission leaders are Christopher K. and Teresa M. Williams, who began serving around July 2025, as announced by the Church Newsroom. Mission leaders usually serve about three years, so new leaders are expected around July 2028.
What is the Micronesia Guam Mission office address?
An unofficial directory lists the office at 620 W Route 8, 96913 Barrigada, Guam. Offices move, so confirm the current mailing address in your call packet or with the mission office before sending anything.
How do I send a package to a missionary in the Micronesia Guam Mission?
Guam uses U.S. domestic mail; other islands may use USPS domestic rates (Compact) — check with the mission office. Confirm the current address with the mission office first.
What language do missionaries speak in the Micronesia Guam Mission?
Most missionaries here serve in English and Chamorro. Your call letter states the language you will teach in.
What is the weather like in the Micronesia Guam Mission?
Near Guam, the warmest month is usually November (average high about 84°F / 29°C) and the coolest is February (average low about 79°F / 26°C), with roughly 2,677 mm of rain a year. The wettest months are August, September and October. Use the packing list from your call packet as the final word.
When was the Micronesia Guam Mission organized?
The mission was organized on 1 July 1980.
Other missions in Micronesia
Other missions nearby
Next steps
Official: Missionary Portal · Missionary resources